• synonyms


See more synonyms for chill on Thesaurus.com
  1. coldness, especially a moderate but uncomfortably penetrating coldness: the chill of evening.
  2. a sensation of cold, usually with shivering: She felt a slight chill from the open window.
  3. a feeling of sudden fear, anxiety, or alarm.
  4. sudden coldness of the body, as during the cold stage of an ague: fevers and chills.
  5. a depressing influence or sensation: His presence cast a chill over everyone.
  6. lack of warmth of feeling; unfriendliness; coolness.
  7. Foundry. an inserted object or a surface in a mold capable of absorbing large amounts of heat, used to harden the surface of a casting or to increase its rate of solidification at a specific point.
  8. bloom1(def 12).
Show More
  1. moderately cold; tending to cause shivering; chilly: a chill wind.
  2. shivering with or affected by cold; chilly.
  3. depressing or discouraging: chill prospects.
  4. Slang. cool(def 14).
  5. unduly formal; unfriendly; chilly: a chill reception.
Show More
verb (used without object)
  1. to become cold: The earth chills when the sun sets.
  2. to be seized with a chill; shiver with cold or fear.
  3. Foundry. (of a casting) to become hard on the surface by contact with a chill or chills.
  4. Slang. to calm down; relax (often followed by out).
Show More
verb (used with object)
  1. to affect with cold; make chilly: The rain has chilled me to the bone.
  2. to make cool: Chill the wine before serving.
  3. to depress; discourage; deter: The news chilled his hopes.
  4. Foundry. to harden the surface of (a casting) by casting it in a mold having a chill or chills.
  5. bloom1(def 22).
  6. Slang. to kill; murder.
Show More
  1. take a chill pill, Slang. See chill pill(def 2).
Show More

Origin of chill

before 900; Middle English chile, Old English ci(e)le, cele coolness; akin to gelid, cool, cold
Related formschill·ing·ly, adverbchill·ness, nouno·ver·chill, adjectiveo·ver·chill, verbpre·chill, verb (used with object)un·chilled, adjectivewell-chilled, adjective


See more synonyms for on Thesaurus.com

Synonym study

9. See cold.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for chillest

Historical Examples

  • At that chillest, most awful moment of all the circle of time, Mrs. Forrester had sunk into half-unconsciousness.

    The Wizard's Son, vol. 3

    Margaret Oliphant

  • Even on the summit of the Blocksberg, the chillest, barest spot on earth, you would impart some warmth.

    The Dangerous Age

    Karin Michalis

  • There is a stone which is of all the hardest and the chillest, but when once set on fire it is unquenchable.

    The Disowned, Complete

    Edward Bulwer-Lytton

  • She was amicable, conversable, all that was agreeable as a woman, and she was the chillest of wives.

  • "Thank you," she said, in her chillest and primmest fashion, as she withdrew from Ruth's embrace.

    Aunt Rachel

    David Christie Murray

British Dictionary definitions for chillest


  1. a moderate coldness
  2. a sensation of coldness resulting from a cold or damp environment, or from a sudden emotional reaction
  3. a feverish cold
  4. a check on enthusiasm or joy
  5. a metal plate placed in a sand mould to accelerate cooling and control local grain growth
  6. another name for bloom 1 (def. 9)
Show More
  1. another word for chilly
Show More
  1. to make or become cold
  2. (tr) to cool or freeze (food, drinks, etc)
  3. (tr)
    1. to depress (enthusiasm, etc)
    2. to discourage
  4. (tr) to cool (a casting or metal object) rapidly in order to prevent the formation of large grains in the metal
  5. (intr) slang, mainly US to relax; calm oneself
Show More
See also chill out
Derived Formschilling, adjectivechillingly, adverbchillness, noun

Word Origin

Old English ciele; related to calan to cool, Latin gelidus icy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for chillest



Old English ciele, cele "cold, coolness, chill, frost," from Proto-Germanic *kal- "to be cold," from PIE root *gel- "cold" (see cold). According to OED, the word seems to have been obsolete after c.1400 (displaced by cold) and the modern use is a back-formation since c.1600 from the verb.

Show More



late 14c., intransitive, "to feel cold, grow cold;" c.1400, transitive, "to make cold," from chill (n.). Related: Chilled; chilling; chillingly. Figurative use from late 14c. Meaning "hang out" first recorded 1985; from earlier chill out "relax" (1979).

Sheila E. sizzles in the new flick, Krush Groove, but some New York critics couldn't groove with it because many of the terms are unfamiliar to them. Examples: breakin' out (slang for leaving), chill (for cool down) and death (for something that's really good). ["Jet," Nov. 11, 1985]
Show More
Online Etymology Dictionary, © 2010 Douglas Harper

chillest in Medicine


  1. A feeling of cold, with shivering and pallor, sometimes accompanied by an elevation of temperature in the interior of the body.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.