がちConjugationsTop 20000MeaningsNa-adjective1. serious; earnest; honest; real; legit (Colloquial, from がちんこ)Other readingsガチPitch accentがちExamples2外そとはガチで寒さむい。It's pretty freaking cold outside.トムって、私わたくしにガチでキレてる？Is Tom very mad at me?