As of May 31, 2023, we have updated our Code of Conduct.

An idiom is a sequence of words established by usage as conveying a meaning not directly deducible from its components

An idiom is a sequence of words established by usage as conveying a meaning not immediately deducible from those of the individual words. Idioms may refer to proverbs, as well as to figurative expressions.

There are several lists of Italian idioms on the Internet, including

http://dizionari.corriere.it/dizionario-modi-di-dire/

http://it.wikiquote.org/wiki/Proverbi_italiani.