いい加減 (Iikagen) is a Japanese na-adjective meaning “irresponsible, perfunctory, careless, lukewarm”.
Meanings
- na-adjectiveirresponsible; perfunctory; careless
- na-adjectivelukewarm; half-baked; halfhearted; vague
- na-adjective, adverb(already) enoughused to express one's wish for something to end
- adverbconsiderably; quite; rather; pretty
Examples
いい加減に寝たら。
Isn't it about time you went to bed?
いいかげんな話はやめろ。
Don't give me that!
物事をいいかげんにするな。
Don't do things by halves.
Sentences from Tatoeba (CC BY 2.0 FR).