expression, godan verb (-u)
have similar tastes in food; have compatible palates
Used when people enjoy the same kinds of food or have matching preferences for flavors and dishes.
彼とは口が合うから、一緒に食事に行くと楽しい。
He and I have similar tastes in food, so it's fun to go out to eat together.
expression, godan verb (-u)
Describes lip movements matching spoken or sung audio, such as in dubbing or lip-syncing.
この吹き替えは口が合っていない。
The dubbing is out of sync with the lip movements.
expression, godan verb (-u)
understand each other; be in agreement
Archaic use for mutual understanding or agreement; rarely used in modern Japanese.
昔の文書では「口が合う」が意見の一致を表すことがある。
In old documents, '口が合う' can indicate agreement of opinions.