| abstain | (verb) choose not to consume | Synonyms: desist, refrain |
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| (verb) refrain from voting | - |
| abstainer | (noun) a person who refrains from drinking intoxicating beverages | Synonyms: abstinent, nondrinker |
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| (noun) someone who practices self denial as a spiritual discipline | Synonyms: ascetic |
| appertain | (verb) be a part or attribute of | Synonyms: pertain |
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| ascertain | (verb) be careful or certain to do something; make certain of something | Synonyms: assure, check, control, ensure, insure, see, see to it |
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| (verb) learn or discover with certainty | - |
| (verb) find out, learn, or determine with certainty, usually by making an inquiry or other effort | Synonyms: check, determine, find out, learn, see, watch |
| (verb) establish after a calculation, investigation, experiment, survey, or study | Synonyms: determine, find, find out |
| ascertainable | (adjective) capable of being ascertained or found out | Synonyms: discoverable |
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| ascertained | (adjective) discovered or determined by scientific observation | Synonyms: discovered, observed |
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| attain | (verb) reach a point in time, or a certain state or level | Synonyms: hit, reach |
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| (verb) reach a destination, either real or abstract | Synonyms: arrive at, gain, hit, make, reach |
| (verb) find unexpectedly | Synonyms: chance on, chance upon, come across, come upon, discover, fall upon, happen upon, light upon, strike |
| (verb) to gain with effort | Synonyms: accomplish, achieve, reach |
| attainability | (noun) the state of being achievable | Synonyms: achievability, attainableness |
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| attainable | (adjective) capable of being attained or accomplished | Synonyms: come-at-able |
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| attainableness | (noun) the state of being achievable | Synonyms: achievability, attainability |
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| attainder | (noun) cancellation of civil rights | Synonyms: civil death |
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| attained | (adjective) achieved or reached | - |
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| attainment | (noun) the act of achieving an aim | - |
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| (noun) arrival at a new stage | - |
| (noun) an ability that has been acquired by training | Synonyms: accomplishment, acquirement, acquisition, skill |
| attaint | (verb) condemn by attainder | - |
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| (verb) bring shame or dishonor upon | Synonyms: disgrace, dishonor, dishonour, shame |
| betaine | (noun) a sweet tasting alkaloid that occurs in sugar beets | - |
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| bloodstain | (noun) a discoloration caused by blood | - |
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| bloodstained | (adjective) covered with blood | Synonyms: gory |
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| captain | (noun) a dining-room attendant who is in charge of the waiters and the seating of customers | Synonyms: headwaiter, maitre d', maitre d'hotel |
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| (noun) the pilot in charge of an airship | Synonyms: senior pilot |
| (noun) the naval officer in command of a military ship | Synonyms: skipper |
| (noun) an officer who is licensed to command a merchant ship | Synonyms: master, sea captain, skipper |
| (noun) a policeman in charge of a precinct | Synonyms: police captain, police chief |
| (noun) an officer holding a rank below a major but above a lieutenant | - |
| (noun) the leader of a group of people | Synonyms: chieftain |
| (verb) be the captain of a sports team | - |
| captaincy | (noun) the post of captain | Synonyms: captainship |
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| captainship | (noun) the post of captain | Synonyms: captaincy |
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| catamountain | (noun) bushy-tailed wildcat of Europe that resembles the domestic cat and is regarded as the ancestor of the domestic cat | Synonyms: European wildcat, Felis silvestris |
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| certain | (adjective) established beyond doubt or question; definitely known | - |
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| (adjective) having or feeling no doubt or uncertainty; confident and assured | Synonyms: sure |
| (adjective) certain to occur; destined or inevitable | Synonyms: sure |
| (adjective) established irrevocably | Synonyms: sealed |
| (adjective) exercising or taking care great enough to bring assurance | Synonyms: sure |
| (adjective) definite but not specified or identified | - |
| (adjective) reliable in operation or effect | Synonyms: sure |
| certainly | (adverb) definitely or positively (`sure' is sometimes used informally for `surely') | Synonyms: for certain, for sure, sure, sure as shooting, sure enough, surely |
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| certainty | (noun) something that is certain | Synonyms: foregone conclusion, sure thing |
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| (noun) the state of being certain | - |
| chevrotain | (noun) very small hornless deer-like ruminant of tropical Asia and west Africa | Synonyms: mouse deer |
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| chieftain | (noun) the head of a tribe or clan | Synonyms: chief, headman, tribal chief |
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| (noun) the leader of a group of people | Synonyms: captain |
| chieftaincy | (noun) the position of chieftain | Synonyms: chieftainship |
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| chieftainship | (noun) the position of chieftain | Synonyms: chieftaincy |
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| contain | (verb) hold back, as of a danger or an enemy; check the expansion or influence of | Synonyms: arrest, check, hold back, stop, turn back |
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| (verb) lessen the intensity of; temper; hold in restraint; hold or keep within limits | Synonyms: check, control, curb, hold, hold in, moderate |
| (verb) include or contain; have as a component | Synonyms: comprise, incorporate |
| (verb) be divisible by | - |
| (verb) contain or hold; have within | Synonyms: bear, carry, hold |
| (verb) be capable of holding or containing | Synonyms: hold, take |
| contained | (adjective) gotten under control | - |
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| container | (noun) any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another) | - |
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| containerful | (noun) the quantity that a container will hold | - |
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| containerise | (verb) package in a container | Synonyms: containerize |
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| containerize | (verb) package in a container | Synonyms: containerise |
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| containership | (noun) a cargo ship designed to hold containerized cargoes | Synonyms: container ship, container vessel |
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| containment | (noun) the act of containing; keeping something from spreading | - |
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| (noun) (physics) a system designed to prevent the accidental release of radioactive material from a reactor | - |
| (noun) a policy of creating strategic alliances in order to check the expansion of a hostile power or ideology or to force it to negotiate peacefully | - |
| counterstain | (noun) a stain of contrasting color that is used when the principal stain does not show the structure clearly | - |
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| curtain | (noun) hanging cloth used as a blind (especially for a window) | Synonyms: drape, drapery, mantle, pall |
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| (noun) any barrier to communication or vision | - |
| (verb) provide with drapery | - |
| curtained | (adjective) furnished or concealed with curtains or draperies | - |
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| curtainless | (adjective) not provided with curtains | Synonyms: uncurtained |
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| destain | (verb) remove stain from (a laboratory specimen) to enhance contrast | - |
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| detain | (verb) cause to be slowed down or delayed | Synonyms: delay, hold up |
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| (verb) stop or halt | Synonyms: delay, stay |
| (verb) deprive of freedom; take into confinement | Synonyms: confine |
| detainee | (noun) some held in custody | Synonyms: political detainee |
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| detainment | (noun) a state of being confined (usually for a short time) | Synonyms: custody, detention, hold |
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| edutainment | (noun) entertainment that is intended to be educational | - |
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| entertain | (verb) take into consideration, have in view | Synonyms: flirt with, think about, think of, toy with |
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| (verb) maintain (a theory, thoughts, or feelings) | Synonyms: bear, harbor, harbour, hold, nurse |
| (verb) provide entertainment for | - |
| entertained | (adjective) pleasantly occupied | Synonyms: amused, diverted |
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| entertainer | (noun) a person who tries to please or amuse | - |
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| entertaining | (adjective) agreeably diverting | - |
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| entertainingly | (adverb) in an entertaining manner | - |
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| entertainment | (noun) an activity that is diverting and that holds the attention | Synonyms: amusement |
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| fountain | (noun) a plumbing fixture that provides a flow of water | Synonyms: fount |
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| (noun) an artificially produced flow of water | Synonyms: jet |
| (noun) a structure from which an artificially produced jet of water arises | - |
| (noun) a natural flow of ground water | Synonyms: natural spring, outflow, outpouring, spring |
| fountainhead | (noun) an abundant source | Synonyms: well, wellspring |
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| (noun) the source of water from which a stream arises | Synonyms: head, headspring |
| incertain | (adjective) lacking or indicating lack of confidence or assurance | Synonyms: uncertain, unsure |
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| infotainment | (noun) a film or TV program presenting the facts about a person or event | Synonyms: docudrama, documentary, documentary film |
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| maintain | (verb) stick to correctly or closely | Synonyms: keep, observe |
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| (verb) state categorically | Synonyms: assert, asseverate |
| (verb) state or assert | Synonyms: defend |
| (verb) support against an opponent | Synonyms: uphold |
| (verb) maintain by writing regular records | Synonyms: keep |
| (verb) supply with necessities and support | Synonyms: keep, sustain |
| (verb) keep in safety and protect from harm, decay, loss, or destruction | Synonyms: conserve, keep up, preserve |
| (verb) have and exercise | Synonyms: exert, wield |
| (verb) maintain for use and service | Synonyms: keep |
| (verb) cause to continue in a certain state, position, or activity | Synonyms: hold, keep |
| maintainable | (adjective) capable of being maintained | - |
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| maintained | (adjective) kept in good condition | Synonyms: kept up, well-kept |
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| (adjective) continued in your keeping or use or memory | Synonyms: retained |
| maintainer | (noun) someone who upholds or maintains | Synonyms: sustainer, upholder |
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| militainment | (noun) entertainment with military themes in which the Department of Defense is celebrated | - |
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| mountain | (noun) a land mass that projects well above its surroundings; higher than a hill | Synonyms: mount |
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| (noun) (often followed by `of') a large number or amount or extent | Synonyms: batch, deal, flock, good deal, great deal, hatful, heap, lot, mass, mess, mickle, mint, muckle, passel, peck, pile, plenty, pot, quite a little, raft, sight, slew, spate, stack, tidy sum, wad |
| mountaineer | (noun) someone who climbs mountains | Synonyms: mountain climber |
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| (verb) climb mountains for pleasure as a sport | - |
| mountaineering | (noun) the activity of climbing a mountain | Synonyms: mountain climbing |
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| mountainous | (adjective) like a mountain in size and impressiveness | - |
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| (adjective) having hills and crags | Synonyms: cragged, craggy, hilly |
| (adjective) containing many mountains | - |
| mountainside | (noun) the side or slope of a mountain | Synonyms: versant |
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| obtain | (verb) receive a specified treatment (abstract) | Synonyms: find, get, incur, receive |
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| (verb) come into possession of | - |
| (verb) be valid, applicable, or true | Synonyms: hold, prevail |
| obtainable | (adjective) capable of being obtained | Synonyms: getable, gettable, procurable |
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| obtainment | (noun) the act of obtaining | Synonyms: obtention |
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| pertain | (verb) be a part or attribute of | Synonyms: appertain |
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| (verb) be relevant to | Synonyms: bear on, come to, concern, have to do with, refer, relate, touch, touch on |
| pertainym | (noun) meaning relating to or pertaining to | - |
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| plantain | (noun) starchy banana-like fruit; eaten (always cooked) as a staple vegetable throughout the tropics | - |
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| (noun) a banana tree bearing hanging clusters of edible angular greenish starchy fruits; tropics and subtropics | Synonyms: Musa paradisiaca, plantain tree |
| (noun) any of numerous plants of the genus Plantago; mostly small roadside or dooryard weeds with elliptic leaves and small spikes of very small flowers; seeds of some used medicinally | - |
| retain | (verb) keep in one's mind | - |
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| (verb) secure and keep for possible future use or application | Synonyms: hold, hold back, keep back |
| (verb) allow to remain in a place or position or maintain a property or feature | Synonyms: continue, keep, keep on |
| (verb) hold back within | - |
| retained | (adjective) continued in your keeping or use or memory | Synonyms: maintained |
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| retainer | (noun) a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment | - |
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| (noun) a person working in the service of another (especially in the household) | Synonyms: servant |
| (noun) a fee charged in advance to retain the services of someone | Synonyms: consideration |
| stain | (noun) an act that brings discredit to the person who does it | Synonyms: blot, smear, smirch, spot |
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| (noun) a soiled or discolored appearance | Synonyms: discoloration, discolouration |
| (noun) a symbol of disgrace or infamy | Synonyms: brand, mark, stigma |
| (noun) anything regarded as making something unclean | Synonyms: dirt, filth, grease, grime, grunge, soil |
| (noun) (microscopy) a dye or other coloring material that is used in microscopy to make structures visible | - |
| (verb) produce or leave stains | - |
| (verb) color with a liquid dye or tint | - |
| (verb) color for microscopic study | Synonyms: dye |
| (verb) make dirty or spotty, as by exposure to air; also used metaphorically | Synonyms: defile, maculate, sully, tarnish |
| stainability | (noun) (cytology) the capacity of cells or cell parts to stain specifically with certain dyes | - |
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| stainable | (adjective) capable of being stained (especially of cells and cell parts) | - |
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| stained | (adjective) marked or dyed or discolored with foreign matter | - |
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| (adjective) having a coating of stain or varnish | Synonyms: varnished |
| stainer | (noun) a worker who stains (wood or fabric) | - |
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| staining | (noun) (histology) the use of a dye to color specimens for microscopic study | - |
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| (noun) the act of spotting or staining something | Synonyms: maculation, spotting |
| stainless | (adjective) (of reputation) free from blemishes | Synonyms: unstained, unsullied, untainted, untarnished |
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| (noun) steel containing chromium that makes it resistant to corrosion | Synonyms: chromium steel, stainless steel |
| sustain | (verb) undergo (as of injuries and illnesses) | Synonyms: get, have, suffer |
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| (verb) establish or strengthen as with new evidence or facts | Synonyms: affirm, confirm, corroborate, substantiate, support |
| (verb) admit as valid | - |
| (verb) supply with necessities and support | Synonyms: keep, maintain |
| (verb) provide with nourishment | Synonyms: nourish, nurture |
| (verb) be the physical support of; carry the weight of | Synonyms: hold, hold up, support |
| (verb) lengthen or extend in duration or space | Synonyms: keep up, prolong |
| sustainability | (noun) the property of being sustainable | - |
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| sustainable | (adjective) capable of being sustained | - |
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| sustained | (adjective) maintained at length without interruption or weakening | - |
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| (adjective) (of an electric arc) continuous | Synonyms: free burning |
| sustainer | (noun) someone who upholds or maintains | Synonyms: maintainer, upholder |
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| sustainment | (noun) the act of sustaining life by food or providing a means of subsistence | Synonyms: maintenance, sustenance, sustentation, upkeep |
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| taint | (noun) the state of being contaminated | Synonyms: contamination |
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| (verb) contaminate with a disease or microorganism | Synonyms: infect |
| (verb) place under suspicion or cast doubt upon | Synonyms: cloud, corrupt, defile, sully |
| tainted | (adjective) touched by rot or decay | Synonyms: corrupt |
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| unascertainable | (adjective) not able to be ascertained; resisting discovery | Synonyms: undiscoverable |
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| unattainability | (noun) The fact of being unattainable, of not being able to be reached or acquired. | - |
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| unattainable | (adjective) impossible to achieve | Synonyms: unachievable, undoable, unrealizable |
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| unattainableness | (noun) the state of being unattainable | - |
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| unattainably | (adverb) in an unattainable manner or to an unattainable degree | Synonyms: unachievably |
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| uncertain | (adjective) not established beyond doubt; still undecided or unknown | - |
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| (adjective) lacking or indicating lack of confidence or assurance | Synonyms: incertain, unsure |
| (adjective) not certain to occur; not inevitable | - |
| (adjective) not established or confirmed | Synonyms: unsealed |
| (adjective) ambiguous (especially in the negative) | - |
| (adjective) not consistent or dependable | - |
| (adjective) subject to change | Synonyms: changeable, unsettled |
| uncertainly | (adverb) showing lack of certainty | - |
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| (adverb) in an unsteady manner | Synonyms: falteringly, unsteadily |
| uncertainness | (noun) being unsettled or in doubt or dependent on chance | Synonyms: precariousness, uncertainty |
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| uncertainty | (noun) being unsettled or in doubt or dependent on chance | Synonyms: precariousness, uncertainness |
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| (noun) the state of being unsure of something | Synonyms: doubt, doubtfulness, dubiety, dubiousness, incertitude |
| uncurtained | (adjective) not provided with curtains | Synonyms: curtainless |
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| unobtainable | (adjective) not capable of being obtained | Synonyms: inaccessible, unprocurable, untouchable |
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