Origin of expression

1425–75; late Middle English < Latin expressiōn- (stem of expressiō) a pressing out. See express, -ion
Related formsex·pres·sion·al, adjectiveex·pres·sion·less, adjectiveex·pres·sion·less·ly, adverbpre·ex·pres·sion, nounre·ex·pres·sion, nounsu·per·ex·pres·sion, noun

Synonyms for expression

1. utterance, declaration, assertion, statement. 2. term, idiom. See phrase. 3. language, diction, phraseology. 5. manifestation, sign. 6. aspect, air. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for expression

Contemporary Examples of expression

Historical Examples of expression

British Dictionary definitions for expression



the act or an instance of transforming ideas into words
a manifestation of an emotion, feeling, etc, without wordstears are an expression of grief
communication of emotion through music, painting, etc
a look on the face that indicates mood or emotiona joyful expression
the choice of words, phrases, syntax, intonation, etc, in communicating
a particular phrase used conventionally to express somethinga dialect expression
the act or process of forcing or squeezing out a liquid
maths a variable, function, or some combination of constants, variables, or functions
genetics the effect of a particular gene on the phenotype
Derived Formsexpressional, adjectiveexpressionless, adjectiveexpressionlessly, adverb
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 expression

early 15c., "action of pressing out;" later (mid-15c.) "action of manifesting a feeling;" (late 15c.) "a putting into words," from Middle French expression (14c.), from Late Latin expressionem (nominative expressio), noun of action from past participle stem of exprimere (see express (v.)). Meaning "an action or creation that expresses feelings" is from 1620s. Of the face, from 1774. Occasionally the word also was used literally, for "the action of squeezing out."

Online Etymology Dictionary, © 2010 Douglas Harper

expression in Medicine




The act of pressing or squeezing out.
The outward manifestation of a mood or disposition by mobility of the facial features; facies.
The phenotype manifested by a genotype under fixed environmental conditions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.