Idioms

    take a chill pill, Slang. See chill pill(def 2).

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

Synonyms for chill

Synonym study

9. See cold.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for chill out

chill, mellow, relax

British Dictionary definitions for chill out

chill out

verb

(intr, adverb) to relax, esp after energetic dancing or a spell of hard work

adjective chill-out

suitable for relaxation after energetic dancing or hard worka chill-out area; chill-out music

chill

noun

a moderate coldness
a sensation of coldness resulting from a cold or damp environment, or from a sudden emotional reaction
a feverish cold
a check on enthusiasm or joy
a metal plate placed in a sand mould to accelerate cooling and control local grain growth
another name for bloom 1 (def. 9)

adjective

another word for chilly

verb

to make or become cold
(tr) to cool or freeze (food, drinks, etc)
(tr)
  1. to depress (enthusiasm, etc)
  2. to discourage
(tr) to cool (a casting or metal object) rapidly in order to prevent the formation of large grains in the metal
(intr) slang, mainly US to relax; calm oneself
See also chill out
Derived Formschilling, adjectivechillingly, adverbchillness, noun

Word Origin for chill

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 chill out

chill

n.

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.

chill

v.

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]
Online Etymology Dictionary, © 2010 Douglas Harper

chill out in Medicine

chill

[chĭl]

n.

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

chill out in Culture

chill out

To not get so excited; to take it easy: “Hey, chill out, we'll get there sooner or later.” This phrase can also mean to relax; to have a good time: “On my vacation I just want to chill out on the beach with a good book.” It is often shortened to the imperative chill: “Chill! We can do without your bad behavior.”

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with chill out

chill out

Calm down or relax, as in Don't let it bother you—just chill out, or Rex decided to come home and chill out for a while. [Slang; 1970s.] Also see cool it.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.