What is the Latin word for cool?

The usual Latin words for “cool” are frīgidus, alsius, tranquillus; also quiētus, pacō, sēdō. The right choice depends on the sense; see the distinctions below.

English → Latin

“cool” in Latin

frīgiduscold, cool, chilling, frigid; indifferent, feeble; dull, flat, insipid, trivial, pointless, vain alsiuschilly, cold tranquillusquiet, calm, still, tranquil; placid, composed, untroubled, undisturbed quiētusat rest/nap, quiet, keeping quiet, quietude, quietness; peaceful, neutral; tranquil, calm pacōto come to an agreement sēdōto allay, settle, still, calm, assuage or appease; to end, stop or stay placidusPlacid, gentle, quiet, still, calm, mild, peaceful, tranquil; Ripe, mellow; Not wild, fruitful, suitable for cultivation lentussticky, tenacious; slow, sluggish; flexible, pliant saevusfurious, ferocious, fierce, violent, barbarous, cruel, savage frīgidiusculussomewhat frigid

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

cool

frigidus (that makes cool): alsus (cool in itself, of houses, rooms, etc.; it so happens that it is found only in the comparative; e.g., nihil alsius): somewhat cool, subfrigidus; frigidiusculus (late): to make or render cool, refrigerare: frigidum facere (frigerare and frigefactare, not used in prose).

FIGURATIVELY, Lukewarm, Vid: TEPID.

With reference to temperament, tranquillus: quietus: pacatus: sedatus: placidus [SYN. in CALM]: lentus (indifferent): saevus (cool against a lover): cool in danger, impavidus; fortis (despising danger): to be cool, quietum, etc., esse.

Impudent, Vid.

cool s.

frigus (the being cold, and so refreshing, Hor., Od., 3, 13, 10; frigus amabile): algor (the being felt to be cold): the cool of the evening, *aer vespertirnus: *aura spirans ab occidente.

cool v.

TR., refrigerare; frigidum facere; Vid: “to make cool” in COOL: dare alicui frigus (to afford coolness): recreare (to refresh): to cool a person (who is in a perspiration) by fanning him, aestuanti lene frigus ventilare flabello (Martisalis, 3, 82): the winds cool the atmosphere, ventorum flatu nimii temperantur calores: to cool one’s self in the shade, umbris refrigerari.

cool

INTR., frigescere: refrigescere: refrigerari (PROP., and figuratively of persons and things): languescere: elanguescere (to grow languid, flag; e.g., industria): defervescere (of the heat, aestus; and IMPROP., of passion, ira): (sensim) residere (to subside; e.g., tumor animi, Cic., ; alicujus impetus, Liv.; or animorum impetus ardorque, Liv.; mentes a superiore certamine, Caes.): remittere animum (opposed to a former state of intense exertion or excitement; ab aliqua re; e.g., a contentione pugnae, Liv.): anybody’s zeal in a cause cools, languidiore studio est in re: to allow one’s zeal to cool, studium rei deponere: to allow one’s intimacy with anybody to cool, amicitiam sensim dissuere (Cic., Lael., 21, 76; where amicitiam eluere is a doubtful reading).

Quick answer

What is the Latin word for cool?: The usual Latin words for “cool” are frīgidus, alsius, tranquillus; also quiētus, pacō, sēdō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.