| reconciliation | (noun) getting two things to correspond | Synonyms: balancing |
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| (noun) the reestablishing of cordial relations | Synonyms: rapprochement |
| reconditeness | (noun) the quality of being unclear or abstruse and hard to understand | Synonyms: abstruseness, obscureness, obscurity |
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| (noun) wisdom that is recondite and abstruse and profound | Synonyms: abstruseness, abstrusity, profoundness, profundity |
| reconnaissance | (noun) the act of reconnoitring (especially to gain information about an enemy or potential enemy) | Synonyms: reconnaissance mission |
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| reconnoitering | (noun) exploring in order to gain information | Synonyms: exploratory survey, reconnoitring, scouting |
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| reconnoitring | (noun) exploring in order to gain information | Synonyms: exploratory survey, reconnoitering, scouting |
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| reconsideration | (noun) thinking again about a choice previously made | Synonyms: afterthought, rethink, second thought |
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| (noun) a consideration of a topic (as in a meeting) with a view to changing an earlier decision | - |
| reconstruction | (noun) the activity of constructing something again | - |
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| (noun) recall that is hypothesized to work by storing abstract features which are then used to construct the memory during recall | Synonyms: reconstructive memory |
| (noun) an interpretation formed by piecing together bits of evidence | - |
| record | (noun) an extreme attainment; the best (or worst) performance ever attested (as in a sport) | - |
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| (noun) the sum of recognized accomplishments | Synonyms: track record |
| (noun) sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove | Synonyms: disc, disk, phonograph record, phonograph recording, platter |
| (noun) a list of crimes for which an accused person has been previously convicted | Synonyms: criminal record |
| (noun) a compilation of the known facts regarding something or someone | Synonyms: book, record book |
| (noun) anything (such as a document or a phonograph record or a photograph) providing permanent evidence of or information about past events | - |
| (noun) a document that can serve as legal evidence of a transaction | - |
| (noun) the number of wins versus losses and ties a team has had | - |
| recorder | (noun) a tubular wind instrument with 8 finger holes and a fipple mouthpiece | Synonyms: fipple flute, fipple pipe, vertical flute |
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| (noun) equipment for making records | Synonyms: recording equipment, recording machine |
| (noun) someone responsible for keeping records | Synonyms: record-keeper, registrar |
| (noun) a barrister or solicitor who serves as part-time judge in towns or boroughs | - |
| recording | (noun) the act of making a record (especially an audio record) | Synonyms: transcription |
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| (noun) a signal that encodes something (e.g., picture or sound) that has been recorded | - |
| (noun) a storage device on which information (sounds or images) have been recorded | - |
| recount | (noun) an additional (usually a second) count; especially of the votes in a close election | - |
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| recounting | (noun) an act of narration | Synonyms: relation, telling |
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| recourse | (noun) act of turning to for assistance | Synonyms: refuge, resort |
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| (noun) something or someone turned to for assistance or security | Synonyms: refuge, resort |
| recoverer | (noun) someone who saves something from danger or violence | Synonyms: rescuer, saver |
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| recovery | (noun) the act of regaining or saving something lost (or in danger of becoming lost) | Synonyms: retrieval |
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| (noun) return to an original state | - |
| (noun) gradual healing (through rest) after sickness or injury | Synonyms: convalescence, recuperation |
| recreant | (noun) an abject coward | Synonyms: craven, poltroon |
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| (noun) a disloyal person who betrays or deserts his cause or religion or political party or friend etc. | Synonyms: apostate, deserter, ratter, renegade, turncoat |
| recreation | (noun) an activity that diverts or amuses or stimulates | Synonyms: diversion |
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| (noun) activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation | Synonyms: refreshment |
| recrimination | (noun) mutual accusations | - |
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| recrudescence | (noun) a return of something after a period of abatement | - |
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| recruit | (noun) any new member or supporter (as in the armed forces) | Synonyms: enlistee |
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| (noun) a recently enlisted soldier | Synonyms: military recruit |
| recruiter | (noun) an official who enlists personnel for military service | - |
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| (noun) someone who supplies members or employees | - |
| recruitment | (noun) the act of getting recruits; enlisting people for the army (or for a job or a cause etc.) | Synonyms: enlisting |
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| rectangle | (noun) a parallelogram with four right angles | - |
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| rectangularity | (noun) the property of being shaped like a rectangle | Synonyms: oblongness |
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| rectification | (noun) the act of offering an improvement to replace a mistake; setting right | Synonyms: correction |
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| (noun) determination of the length of a curve; finding a straight line equal in length to a given curve | - |
| (noun) the conversion of alternating current to direct current | - |
| (noun) (chemistry) the process of refinement or purification of a substance by distillation | - |
| rectifier | (noun) electrical device that transforms alternating into direct current | - |
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| (noun) a person who corrects or sets right | - |
| rectilinearity | (noun) the property possessed by a line or surface that is rectilinear, straight. | - |
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| rectitude | (noun) righteousness as a consequence of being honorable and honest | Synonyms: uprightness |
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| recto | (noun) right-hand page | - |
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| rectocele | (noun) protrusion or herniation of the rectum into the vagina; can occur if pelvic muscles are weakened by childbirth | Synonyms: proctocele |
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| rectoplasty | (noun) reconstructive surgery of the anus or rectum | Synonyms: proctoplasty |
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| rector | (noun) a person authorized to conduct religious worship | Synonyms: curate, minister, minister of religion, parson, pastor |
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| rectorate | (noun) the office or station of a rector | Synonyms: rectorship |
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| rectorship | (noun) the office or station of a rector | Synonyms: rectorate |
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| rectory | (noun) an official residence provided by a church for its parson or vicar or rector | Synonyms: parsonage, vicarage |
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| rectum | (noun) the terminal section of the alimentary canal; from the sigmoid flexure to the anus | - |
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| rectus | (noun) any of various straight muscles | - |
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| recuperation | (noun) gradual healing (through rest) after sickness or injury | Synonyms: convalescence, recovery |
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| recurrence | (noun) happening again (especially at regular intervals) | Synonyms: return |
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| recursion | (noun) (mathematics) an expression such that each term is generated by repeating a particular mathematical operation; also, the repeated application or execution of a pattern, function or definition; an expression that is recursive | - |
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| recusal | (noun) (law) the disqualification of a judge or jury by reason of prejudice or conflict of interest; a judge can be recused by objections of either party or judges can disqualify themselves | Synonyms: recusation |
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| recusancy | (noun) refusal to submit to established authority; originally the refusal of Roman Catholics to attend services of the Church of England | - |
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| recusant | (noun) someone who refuses to conform to established standards of conduct | Synonyms: nonconformist |
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| recusation | (noun) (law) the disqualification of a judge or jury by reason of prejudice or conflict of interest; a judge can be recused by objections of either party or judges can disqualify themselves | Synonyms: recusal |
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| (noun) (law) an objection grounded on the judge's relationship to one of the parties | - |
| recycling | (noun) the act of processing used or abandoned materials for use in creating new products | - |
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| (noun) used or abandoned materials for use in creating new products | - |
| red | (noun) red color or pigment; the chromatic color resembling the hue of blood | Synonyms: redness |
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| (noun) emotionally charged terms used to refer to extreme radicals or revolutionaries | Synonyms: Bolshevik, bolshie, bolshy, Marxist |
| (noun) the amount by which the cost of a business exceeds its revenue | Synonyms: loss, red ink |
| redact | (noun) someone who puts text into appropriate form for publication | Synonyms: redactor, reviser, rewrite man, rewriter |
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| redaction | (noun) the act of putting something in writing | - |
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| (noun) putting something (as a literary work or a legislative bill) into acceptable form | Synonyms: editing |
| redactor | (noun) someone who puts text into appropriate form for publication | Synonyms: redact, reviser, rewrite man, rewriter |
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| redbelly | (noun) freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell | Synonyms: Pseudemys rubriventris, red-bellied terrapin, red-bellied turtle |
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| redberry | (noun) small spiny evergreen shrub of western United States and Mexico with minute flowers and bright red berries | Synonyms: red-berry, Rhamnus croceus |
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| (noun) North American perennial herb with alternately compound leaves and racemes of small white flowers followed by bright red oval poisonous berries | Synonyms: Actaea rubra, red-berry, red baneberry, snakeberry |
| redbird | (noun) crested thick-billed North American finch having bright red plumage in the male | Synonyms: cardinal, cardinal grosbeak, Cardinalis cardinalis, Richmondena Cardinalis |
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| (noun) the male is bright red with black wings and tail | Synonyms: firebird, Piranga olivacea, scarlet tanager |
| redbone | (noun) a speedy red or red-and-tan American hound | - |
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| redbreast | (noun) small Old World songbird with a reddish breast | Synonyms: Erithacus rubecola, Old World robin, robin, robin redbreast |
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| redbrush | (noun) common North American shrub with reddish purple twigs and white flowers | Synonyms: American dogwood, Cornus stolonifera, red dogwood, red osier, red osier dogwood |
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| redbud | (noun) small shrubby tree of eastern North America similar to the Judas tree having usually pink flowers; found in damp sheltered underwood | Synonyms: Cercis canadensis |
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| redbug | (noun) larval mite that sucks the blood of vertebrates including human beings causing intense irritation | Synonyms: chigger, harvest mite, jigger |
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| redcap | (noun) a porter who helps passengers with their baggage at a railroad station | - |
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| (noun) a member of the military police in Britain | - |
| redcoat | (noun) British soldier; so-called because of his red coat (especially during the American Revolution) | Synonyms: lobsterback |
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| reddishness | (noun) The quality of being somewhat red. | - |
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| reddle | (noun) a red iron ore used in dyeing and marking | Synonyms: raddle, ruddle |
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| rededication | (noun) a new dedication | - |
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| redeemer | (noun) someone who redeems or buys back (promissory notes or merchandise or commercial paper etc.) | - |
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| redefinition | (noun) the act of giving a new definition | - |
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| redemption | (noun) the act of purchasing back something previously sold | Synonyms: buyback, repurchase |
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| (noun) (theology) the act of delivering from sin or saving from evil | Synonyms: salvation |
| (noun) repayment of the principal amount of a debt or security at or before maturity (as when a corporation repurchases its own stock) | - |
| redeployment | (noun) the withdrawal and redistribution of forces in an attempt to use them more effectively | Synonyms: redisposition |
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| redeposition | (noun) deposition from one deposit to another | - |
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| redetermination | (noun) determining again | - |
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| redevelopment | (noun) the act of improving by renewing and restoring | Synonyms: overhaul, renovation |
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| redeye | (noun) a night flight from which the passengers emerge with eyes red from lack of sleep | Synonyms: redeye flight |
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| redfish | (noun) male salmon that has recently spawned | - |
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| (noun) large edible fish found off coast of United States from Massachusetts to Mexico | Synonyms: channel bass, red drum, Sciaenops ocellatus |
| (noun) North Atlantic rockfish | Synonyms: ocean perch, rosefish |
| redhead | (noun) black-and-white North American woodpecker having a red head and neck | Synonyms: Melanerpes erythrocephalus, redheaded woodpecker |
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| (noun) North American diving duck with a grey-and-black body and reddish-brown head | Synonyms: Aythya americana |
| (noun) someone who has red hair | Synonyms: carrottop, red-header, redheader |
| redheader | (noun) someone who has red hair | Synonyms: carrottop, red-header, redhead |
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| redhorse | (noun) North American sucker with reddish fins | Synonyms: redhorse sucker |
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| rediscovery | (noun) the act of discovering again | - |
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| redisposition | (noun) the withdrawal and redistribution of forces in an attempt to use them more effectively | Synonyms: redeployment |
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| redistribution | (noun) distributing again | - |
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| redmaids | (noun) succulent carpet-forming plant having small brilliant reddish-pink flowers; southwestern United States | Synonyms: Calandrinia ciliata, red maids |
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| redneck | (noun) a poor White person in the southern United States | Synonyms: cracker |
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| redness | (noun) red color or pigment; the chromatic color resembling the hue of blood | Synonyms: red |
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| (noun) a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat | Synonyms: inflammation, rubor |
| redolence | (noun) a pleasingly sweet olfactory property | Synonyms: bouquet, fragrance, fragrancy, sweetness |
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| redoubt | (noun) an entrenched stronghold or refuge | - |
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| (noun) (military) a temporary or supplementary fortification; typically square or polygonal without flanking defenses | - |
| redox | (noun) a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction | Synonyms: oxidation-reduction, oxidoreduction |
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| redpoll | (noun) small siskin-like finch with a red crown and a rosy breast and rump | Synonyms: Carduelis flammea |
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| (noun) small siskin-like finch with a red crown | Synonyms: Carduelis hornemanni |
| redraft | (noun) a draft for the amount of a dishonored draft plus the costs and charges of drafting again | - |
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| redress | (noun) act of correcting an error or a fault or an evil | Synonyms: remediation, remedy |
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| (noun) a sum of money paid in compensation for loss or injury | Synonyms: amends, damages, indemnification, indemnity, restitution |
| redroot | (noun) perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties; rootstock used as a stimulant and expectorant | Synonyms: bloodroot, puccoon, Sanguinaria canadensis, tetterwort |
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| redshank | (noun) a common Old World wading bird with long red legs | Synonyms: Tringa totanus |
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| redshift | (noun) (astronomy) a shift in the spectra of very distant galaxies toward longer wavelengths (toward the red end of the spectrum); generally interpreted as evidence that the universe is expanding | Synonyms: red shift |
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| redstart | (noun) European songbird with a reddish breast and tail; related to Old World robins | Synonyms: redtail |
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| (noun) flycatching warbler of eastern North America the male having bright orange on sides and wings and tail | Synonyms: American redstart, Setophaga ruticilla |
| redtail | (noun) dark brown American hawk species having a reddish-brown tail | Synonyms: Buteo jamaicensis, red-tailed hawk |
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| (noun) European songbird with a reddish breast and tail; related to Old World robins | Synonyms: redstart |
| reducer | (noun) pipefitting that joins two pipes of different diameter | - |
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| (noun) a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver | Synonyms: reducing agent, reductant |
| reducing | (noun) any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent | Synonyms: reduction |
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| (noun) loss of excess weight (as by dieting); becoming slimmer | - |
| reductant | (noun) a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver | Synonyms: reducer, reducing agent |
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| reductase | (noun) an enzyme that catalyses the biochemical reduction of some specified substance | - |
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| reductio | (noun) (reduction to the absurd) a disproof by showing that the consequences of the proposition are absurd; or a proof of a proposition by showing that its negation leads to a contradiction | Synonyms: reductio ad absurdum |
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| reduction | (noun) the act of decreasing or reducing something | Synonyms: decrease, diminution, step-down |
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| (noun) the act of reducing complexity | Synonyms: simplification |
| (noun) any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent | Synonyms: reducing |
| reductionism | (noun) a theory that all complex systems can be completely understood in terms of their components | - |
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| (noun) the analysis of complex things into simpler constituents | - |
| reductivism | (noun) an art movement in sculpture and painting that began in the 1950s and emphasized extreme simplification of form and color | Synonyms: minimal art, minimalism |
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| redundance | (noun) the attribute of being superfluous and unneeded | Synonyms: redundancy |
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