| preserver | (noun) rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning | Synonyms: flotation device, life preserver |
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| (noun) a skilled worker who is employed to restore or refinish buildings or antique furniture | Synonyms: refinisher, renovator, restorer |
| (noun) someone who keeps safe from harm or danger | - |
| (noun) a cook who preserves fruits or meat | - |
| preserves | (noun) fruit preserved by cooking with sugar | Synonyms: conserve, conserves, preserve |
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| prickteaser | (noun) a seductive woman who uses her sex appeal to exploit men | Synonyms: coquette, flirt, minx, tease, vamp, vamper |
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| promiser | (noun) a person who makes a promise | Synonyms: promisor |
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| proposer | (noun) (parliamentary procedure) someone who makes a formal motion | Synonyms: mover |
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| (noun) someone who advances a suggestion or proposal | Synonyms: suggester |
| publiciser | (noun) someone who publicizes | Synonyms: publicist, publicizer |
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| purchaser | (noun) a person who buys | Synonyms: buyer, emptor, vendee |
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| purser | (noun) an officer aboard a ship who keeps accounts and attends to the passengers' welfare | - |
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| raiser | (noun) someone concerned with the science or art or business of cultivating the soil | Synonyms: agriculturalist, agriculturist, cultivator, grower |
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| (noun) a bridge partner who increases the partner's bid | - |
| reassert | (verb) strengthen or make more firm | Synonyms: confirm |
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| reassertion | (noun) renewed affirmation | Synonyms: reaffirmation |
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| represser | (noun) an agent that represses | Synonyms: repressor |
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| reserpine | (noun) antihypertensive consisting of an alkaloid extracted from the plant Rauwolfia serpentina (trade names Raudixin or Rau-Sed or Sandril or Serpasil) | Synonyms: Rau-Sed, Raudixin, Sandril, Serpasil |
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| reservation | (noun) the act of keeping back or setting aside for some future occasion | - |
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| (noun) the act of reserving (a place or passage) or engaging the services of (a person or group) | Synonyms: booking |
| (noun) an unstated doubt that prevents you from accepting something wholeheartedly | Synonyms: arriere pensee, mental reservation |
| (noun) something reserved in advance (as a hotel accommodation or a seat on a plane etc.) | - |
| (noun) a statement that limits or restricts some claim | Synonyms: qualification |
| (noun) the written record or promise of an arrangement by which accommodations are secured in advance | - |
| (noun) a district that is reserved for particular purpose | Synonyms: reserve |
| reserve | (noun) the trait of being uncommunicative; not volunteering anything more than necessary | Synonyms: reticence, taciturnity |
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| (noun) formality and propriety of manner | Synonyms: modesty |
| (noun) armed forces that are not on active duty but can be called in an emergency | Synonyms: military reserve |
| (noun) a district that is reserved for particular purpose | Synonyms: reservation |
| (noun) an athlete who plays only when a starter on the team is replaced | Synonyms: second-stringer, substitute |
| (noun) something kept back or saved for future use or a special purpose | Synonyms: backlog, stockpile |
| (noun) (medicine) potential capacity to respond in order to maintain vital functions | - |
| (verb) give or assign a resource to a particular person or cause | Synonyms: allow, appropriate, earmark, set aside |
| (verb) obtain or arrange (for oneself) in advance | - |
| (verb) hold back or set aside, especially for future use or contingency | - |
| (verb) arrange for and reserve (something for someone else) in advance | Synonyms: book, hold |
| reserved | (adjective) marked by self-restraint and reticence | - |
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| (adjective) set aside for the use of a particular person or party | - |
| reservedly | (adverb) with reserve; in a reserved manner | - |
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| reserves | (noun) civilians trained as soldiers but not part of the regular army | Synonyms: militia |
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| reservist | (noun) a member of a military reserve | - |
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| reservoir | (noun) tank used for collecting and storing a liquid (as water or oil) | - |
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| (noun) lake used to store water for community use; a lake (natural or artificial) used to store water and used as a source of water | Synonyms: artificial lake, man-made lake |
| (noun) anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies | Synonyms: source |
| (noun) a large or extra supply of something | - |
| reviser | (noun) someone who puts text into appropriate form for publication | Synonyms: redact, redactor, rewrite man, rewriter |
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| riser | (noun) structural member consisting of the vertical part of a stair or step | - |
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| (noun) a vertical pipe in a building | Synonyms: riser main, riser pipe, riser pipeline |
| (noun) a person who rises (especially from bed) | - |
| rotisserie | (noun) a restaurant that specializes in roasted and barbecued meats | - |
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| (noun) an oven or broiler equipped with a rotating spit on which meat cooks as it turns | - |
| rouser | (noun) someone who rouses others from sleep | Synonyms: arouser, waker |
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| scrutiniser | (noun) a careful examiner; someone who inspects with great care | Synonyms: scrutinizer |
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| semidesert | (noun) a region much like a desert but usually located between a desert and the surrounding regions | - |
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| sensitiser | (noun) (chemistry) a substance other than a catalyst that facilitates the start of a catalytic reaction | Synonyms: sensitizer |
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| seraglio | (noun) living quarters reserved for wives and concubines and female relatives in a Muslim household | Synonyms: hareem, harem, serail |
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| serail | (noun) living quarters reserved for wives and concubines and female relatives in a Muslim household | Synonyms: hareem, harem, seraglio |
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| serape | (noun) a long brightly colored shawl; worn mainly by Mexican men | Synonyms: sarape |
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| seraph | (noun) an angel of the first order; usually portrayed as the winged head of a child | - |
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| seraphic | (adjective) of or relating to an angel of the first order | Synonyms: seraphical |
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| (adjective) having a sweet nature befitting an angel or cherub | Synonyms: angelic, angelical, cherubic, sweet |
| seraphical | (adjective) of or relating to an angel of the first order | Synonyms: seraphic |
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| sere | (adjective) (used especially of vegetation) having lost all moisture | Synonyms: dried-up, sear, shriveled, shrivelled, withered |
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| serenade | (noun) a song characteristically played outside the house of a woman | - |
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| (noun) a musical composition in several movements; has no fixed form | Synonyms: divertimento |
| (verb) sing and play for somebody | - |
| serendipitous | (adjective) lucky in making unexpected and fortunate discoveries | - |
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| serendipity | (noun) good luck in making unexpected and fortunate discoveries | - |
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| serene | (adjective) completely clear and fine | - |
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| (adjective) not agitated; without losing self-possession | Synonyms: calm, tranquil, unagitated |
| serenely | (adverb) in a peacefully serene manner | - |
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| sereness | (noun) a withered dryness | - |
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| serenity | (noun) a disposition free from stress or emotion | Synonyms: placidity, quiet, repose, tranquility, tranquillity |
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| (noun) the absence of mental stress or anxiety | Synonyms: ataraxis, heartsease, peace, peace of mind, peacefulness, repose |
| serf | (noun) (Middle Ages) a person who is bound to the land and owned by the feudal lord | Synonyms: helot, villein |
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| serfdom | (noun) the state of a serf | Synonyms: serfhood, vassalage |
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| serfhood | (noun) the state of a serf | Synonyms: serfdom, vassalage |
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| serflike | (adjective) like someone in servitude | - |
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| serge | (noun) a twilled woolen fabric | - |
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| sergeant | (noun) a lawman with the rank of sergeant | Synonyms: police sergeant |
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| (noun) any of several noncommissioned officer ranks in the Army or Air Force or Marines ranking above a corporal | - |
| (noun) an English barrister of the highest rank | Synonyms: sergeant-at-law, serjeant-at-law, serjeant |
| serger | (noun) a sewing machine that overcasts the raw edges of a fabric with a V-shaped stitch | - |
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| serial | (adjective) pertaining to or occurring in or producing a series | - |
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| (adjective) pertaining to or composed in serial technique | - |
| (adjective) of or relating to the sequential performance of multiple operations | Synonyms: in series, nonparallel |
| (adjective) in regular succession without gaps | Synonyms: consecutive, sequent, sequential, successive |
| (noun) a serialized set of programs | Synonyms: series |
| (noun) a periodical that appears at scheduled times | Synonyms: serial publication, series |
| serialisation | (noun) publication in serial form | Synonyms: serialization |
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| serialise | (verb) arrange serially | Synonyms: serialize |
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| serialism | (noun) 20th century music that uses a definite order of notes as a thematic basis for a musical composition | Synonyms: serial music |
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| serialization | (noun) publication in serial form | Synonyms: serialisation |
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| serialize | (verb) arrange serially | Synonyms: serialise |
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| serially | (adverb) in a serial manner | - |
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| seriatim | (adverb) in a series; point by point | - |
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| sericeous | (adjective) covered with fine soft hairs or down | Synonyms: downy, puberulent, pubescent |
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| sericterium | (noun) silk-producing gland of insects (especially of a silkworm) or spiders | Synonyms: serictery, silk gland |
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| serictery | (noun) silk-producing gland of insects (especially of a silkworm) or spiders | Synonyms: sericterium, silk gland |
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| sericultural | (adjective) of or relating to sericulture | - |
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| sericulture | (noun) the production of raw silk by raising silkworms | - |
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| (noun) raising silkworms in order to obtain raw silk | - |
| sericulturist | (noun) a producer of raw silk | - |
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| seriema | (noun) Brazilian Cariama; sole representative of the genus Cariama | Synonyms: Cariama cristata, crested cariama |
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| (noun) Argentinian Cariama | Synonyms: chunga, Chunga burmeisteri |
| series | (noun) (mathematics) the sum of a finite or infinite sequence of expressions | - |
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| (noun) a periodical that appears at scheduled times | Synonyms: serial, serial publication |
| (noun) a serialized set of programs | Synonyms: serial |
| (noun) (sports) several contests played successively by the same teams | - |
| (noun) similar things placed in order or happening one after another | - |
| (noun) a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection | - |
| (noun) (electronics) connection of components in such a manner that current flows first through one and then through the other | - |
| serif | (noun) a short line at the end of the main strokes of a character | Synonyms: seriph |
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| serigraph | (noun) a print made using a stencil process in which an image or design is superimposed on a very fine mesh screen and printing ink is squeegeed onto the printing surface through the area of the screen that is not covered by the stencil | Synonyms: silk screen print, silkscreen |
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| serigraphy | (noun) the act of making a print by the silkscreen method | - |
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| serin | (noun) any of various brown and yellow finches of parts of Europe | - |
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| serine | (noun) a sweetish crystalline amino acid involved in the synthesis by the body of cysteine | - |
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| seriocomedy | (noun) a comedy with serious elements or overtones | Synonyms: tragicomedy |
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| seriocomic | (adjective) mixing the serious with the comic with comic predominating | Synonyms: seriocomical |
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| seriocomical | (adjective) mixing the serious with the comic with comic predominating | Synonyms: seriocomic |
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| serious | (adjective) concerned with work or important matters rather than play or trivialities | - |
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| (adjective) completely lacking in playfulness | Synonyms: sober, unplayful |
| (adjective) causing fear or anxiety by threatening great harm | Synonyms: dangerous, grave, grievous, life-threatening, severe |
| (adjective) requiring effort or concentration; complex and not easy to answer or solve | - |
| (adjective) of great consequence | - |
| (adjective) appealing to the mind | Synonyms: good |
| seriously | (adverb) in a serious manner | Synonyms: earnestly, in earnest |
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| (adverb) to a severe or serious degree | Synonyms: badly, gravely, severely |
| seriousness | (noun) the trait of being serious | Synonyms: earnestness, serious-mindedness, sincerity |
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| (noun) the quality of arousing fear or distress | Synonyms: distressfulness |
| (noun) an earnest and sincere feeling | Synonyms: earnestness, sincerity |
| seriph | (noun) a short line at the end of the main strokes of a character | Synonyms: serif |
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| serjeant | (noun) an English barrister of the highest rank | Synonyms: sergeant-at-law, sergeant, serjeant-at-law |
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| sermon | (noun) an address of a religious nature (usually delivered during a church service) | Synonyms: discourse, preaching |
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| (noun) a moralistic rebuke | Synonyms: preaching |
| sermonise | (verb) speak as if delivering a sermon; express moral judgements | Synonyms: moralise, moralize, preachify, sermonize |
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| sermoniser | (noun) someone whose occupation is preaching the gospel | Synonyms: preacher, preacher man, sermonizer |
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| sermonism | (noun) the conceptualism of Abelard. | - |
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| sermonize | (verb) speak as if delivering a sermon; express moral judgements | Synonyms: moralise, moralize, preachify, sermonise |
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| sermonizer | (noun) someone whose occupation is preaching the gospel | Synonyms: preacher, preacher man, sermoniser |
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| serologic | (adjective) of or relating to serology | Synonyms: serological |
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| serological | (adjective) of or relating to serology | Synonyms: serologic |
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| serologist | (noun) a medical scientist who specializes in serology | - |
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| serology | (noun) the branch of medical science that deals with serums; especially with blood serums and disease | - |
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| serosa | (noun) a thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid | Synonyms: serous membrane |
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| serotine | (noun) common brown bat of Europe | Synonyms: Eptesicus serotinus, European brown bat |
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| serotonin | (noun) a neurotransmitter involved in e.g. sleep and depression and memory | Synonyms: 5-hydroxytryptamine |
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| serous | (adjective) of or producing or containing serum | - |
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| serow | (noun) short-horned dark-coated goat antelope of mountain areas of southern and southeastern Asia | - |
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| serpent | (noun) limbless scaly elongate reptile; some are venomous | Synonyms: ophidian, snake |
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| (noun) an obsolete bass cornet; resembles a snake | - |
| (noun) a firework that moves in serpentine manner when ignited | - |
| serpentine | (adjective) resembling a serpent in form | Synonyms: snakelike, snaky |
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| serranid | (noun) marine food sport fishes mainly of warm coastal waters | Synonyms: serranid fish |
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| serrate | (adjective) notched like a saw with teeth pointing toward the apex | Synonyms: notched, saw-toothed, serrated, toothed |
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| (verb) make saw-toothed or jag the edge of | - |
| serrated | (adjective) notched like a saw with teeth pointing toward the apex | Synonyms: notched, saw-toothed, serrate, toothed |
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| serration | (noun) a single notch in a row of notches | - |
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| (noun) a row of notches | - |
| (noun) the condition of being serrated | - |
| serratus | (noun) any of several muscles of the trunk | Synonyms: serratus muscles |
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| serried | (adjective) (especially of rows as of troops or mountains) pressed together | - |
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