expression

noun

ex·​pres·​sion ik-ˈspre-shən 

1

a

: an act, process, or instance of representing in a medium (such as words) : utterance

freedom of expression

b(1)

: something that manifests, embodies, or symbolizes something else

this gift is an expression of my admiration for you

(2)

: a significant word or phrase

(3)

: a mathematical or logical symbol or a meaningful combination of symbols

(4)

: the detectable effect of a gene

also : expressivity sense 1

2

a

: a mode, means, or use of significant representation or symbolism

especially : felicitous or vivid indication or depiction of mood or sentiment

read the poem with expression

b(1)

: the quality or fact of being expressive

(2)

: facial aspect or vocal intonation as indicative of feeling

3

: an act or product of pressing out

expressional

ik-ˈspre-sh(ə-)nəl 

adjective

Synonyms

• articulation
• formulation
• phrasing
• statement
• utterance
• verbalism
• voice
• wording

Examples of expression in a Sentence

Dance is a form of artistic expression.

He uses some very odd expressions.

The expression “to make fun of” means “to ridicule.”

Judging from her expression, I think the gift was a complete surprise.

We saw his expression change from angry to sad.

She wore a smug expression.

Recent Examples on the Web

This positioning—prioritizing personalized content discovery over prestige, big-budget originals—has shaped every expression since, from product UX to B2B creative. —Laura Ratliff, Forbes.com, 14 Apr. 2025

Her notably serious facial expression drew concern and playful teasing from fans on social media. —Edward Segarra, USA Today, 14 Apr. 2025

Butler believes wine and coffee have a lot in common both in their conviviality and the wide variety of expressions available. —Mike Desimone and Jeff Jenssen, Robb Report, 13 Apr. 2025

And then, as if he’s already relived the moment in question and arrived at the same, grim decision, Joel’s expression hardens. —Ben Travers, IndieWire, 13 Apr. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Phrases Containing expression

• find expression
• freedom of expression
• gender expression
• give expression to
• re-expression
• self-expression

Rhymes for expression

• accession
• aggression
• compression
• concession
• confession
• depression
• digression
• discretion
• impression
• obsession
• oppression
• possession

Kids Definition

expression

noun

ex·​pres·​sion ik-ˈspresh-ən 

1

: the act or process of expressing especially in words

2

a

: a meaningful word or phrase

b

: a mathematical or logical symbol or a combination of symbols and signs representing a quantity or operation

3

: a way of speaking or singing or of playing an instrument so as to show mood or feeling

sing with expression

4

: the way one's face looks or one's voice sounds that shows one's feelings

a pleased expression

5

: the detectable effect of a gene

expressionless

-ləs

adjective

expressionlessly adverb

expressionlessness noun

Medical Definition

expression

noun

ex·​pres·​sion ik-ˈspresh-ən 

1

a

: something that manifests, represents, reflects, embodies, or symbolizes something else

the first clinical expression of a disease

b(1)

: the detectable effect of a gene

also : the sum of the processes (as transcription and translation) by which a gene is manifested in the phenotype

gene expression can be controlled by regulatory proteins that bind to specific sites on DNA

—Mark Ptashne

(2)

: expressivity

2

: facial aspect or vocal intonation as indicative of feeling

3

: an act or product of pressing out

Legal Definition

expression

noun

ex·​pres·​sion

1

: an act, process, or instance of representing or conveying in words or some other medium : speech

protected expression under the First Amendment

2

: a mode or means of expressing an idea, opinion, or thought

Note: An expression is protectible under copyright law, but an idea is not.