colloquialism

US /kəˈloʊ.kwi.ə.lɪ.zəm/
UK /kəˈloʊ.kwi.ə.lɪ.zəm/
"colloquialism" picture
1.

colloquialismo, espressione colloquiale

a word or phrase that is not formal or literary and is used in ordinary or familiar conversation

:
Using 'gonna' instead of 'going to' is a common colloquialism.
Usare 'gonna' invece di 'going to' è un colloquialismo comune.
The book was full of regional colloquialisms that made it hard for outsiders to understand.
Il libro era pieno di colloquialismi regionali che lo rendevano difficile da capire per gli estranei.