口が合う · godan verb (-u)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 口が合う | 口が合わない |
| Polite | 口が合います | 口が合いません |
| Past polite | 口が合いました | 口が合いませんでした |
| Past | 口が合った | 口が合わなかった |
| Te-form | 口が合って | 口が合わないで |
| Desire | 口が合いたい | 口が合いたくない |
| Potential | 口が合える | 口が合えない |
| Passive | 口が合われる | 口が合われない |
| Causative | 口が合わせる | 口が合わせない |
| Causative passive | 口が合わせられるalso 口が合わされる | 口が合わせられないalso 口が合わされない |
| Volitional | 口が合おう | |
| Polite volitional | 口が合いましょう | |
| Imperative | 口が合え | 口が合うな |
| Conditional | 口が合えば | 口が合わなければ |
| Tara conditional | 口が合ったら | 口が合わなかったら |
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.
He and I have similar tastes in food, so it's fun to go out to eat together.
be in sync (lip movements with vocals)
Describes lip movements matching spoken or sung audio, such as in dubbing or lip-syncing.
The dubbing is out of sync with the lip movements.
understand each other; be in agreement
Archaic use for mutual understanding or agreement; rarely used in modern Japanese.
In old documents, '口が合う' can indicate agreement of opinions.