WordNet: idiom, idiomatic expression, phrasal idiom, phrase, set phrase

an expression whose meanings cannot be inferred from the meanings of the words that make it up

• hypernym expression, locution, saying

• hyponym ruralism, rusticism

idiom

• (englanti) idiomatic (derivationally related)
• (suomi) idiomi (synonyymi)

• (suomi) sanonta (synonyymi)

idiomatic expression

• (suomi) idiomaattinen ilmaus (synonyymi)

phrasal idiom

• (suomi) vakiintunut ilmaus (synonyymi)

phrase

• (englanti) phrase (derivationally related)

• (englanti) phrasal (derivationally related)
• (suomi) fraasi (synonyymi)

set phrase

• (suomi) vakiintunut fraasi (synonyymi)