口が堅い
くちがかたい
- tight-lipped; able to keep a secret exp adj-i
Kanji
口
コウ • ク
くち
mouth
堅
ケン
かた.い • -がた.い
strict; hard; solid; tough; tight; reliable
Synonyms
口の堅い
くちのかたい
- tight-lipped; able to keep a secret exp adj-i
Antonyms
口が軽い
くちがかるい
- having a loose tongue; being talkative; speaking without thinking; being unable to keep a secret exp adj-i