いい大人

いいおとな

Also written よいおとな, 良い大人

Meanings

  1. Expression, Noun (an) adult their age (should, should not, etc.); grown man (woman); person who is old enough (to know better) (oft. used sarcastically) See also: いい年をして (いいとしをして).

Kanji

Jinuma: Japanese Dictionary · Word lists