A manner of speaking, a mode of expression peculiar to a language, language family, or group of people. / (programming) A programming construct or phraseology that is characteristic of the language.

plural of idiom

An artificial language, created by Waldemar Rosenberger in 1902, partially derived from Volapük, with a vocabulary consistently selected on the basis of the maximum internationality of the roots.

(rare neologism) A malaphor: an error in which two similar figures of speech are merged, producing a nonsensical result.

plural of idiom blend

plural of idiomaticity (but the word is rare in its count sense)

(uncountable) The quality of being idiomatic. / (countable, rare) An instance or category of instances of that quality.

Synonym of idiom

Pertaining or conforming to idiom, the natural mode of expression of a language. / Resembling or characteristic of an idiom.

In an idiomatic manner. / With regard to idiomaticness; as analyzed with idiomatic meaning taken into account.