Expression
Expression noun - An act, process, or means of putting something into words.
Idioms and expression are semantically related In some cases you can replace term "Idioms" with "Expression", this nouns are similar.
Idioms
Expression and idioms are semantically related in turn of phrase topic. Sometimes you can use "Expression" instead a noun "Idioms".
Mutual synonyms
Both words in one sentence
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During a question about Korean proverbs, Canadian comedian Katherine Ryan compared one of the idioms to the Canadian expression "shagging the dog" (a vulgar expression meaning "doing nothing" or "passing the time any which way while bored").
Source: Bestiality Is Depraved - That line is something of a Genius Bonus for folks familiar with Russian idioms, as there is a Russian expression about weapon-safety that goes "Bullets are stupid and sightless".
Source: Eloquent in My Native Tongue -
The expressions and idioms we use are picked up from interaction with other people, so Sarcasm-Blind people can sometimes use a sarcastic expression without recognizing it as sarcasm.
Source: Sarcasm-Blind
Cite this Source
Idioms and Expression. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/expression/idioms
Expression & Idioms. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/expression/idioms>.
Idioms or Expression. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/expression/idioms.
Google Ngram Viewer shows how "expression" and "idioms" have occurred on timeline