JMdict: 2399430

口が減らない 【くちがへらない】

  1. [exp,adj-f] fast-talking; always having another argument ready; not able to keep one's mouth shut; never at a loss for words
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
Mouth コウ, ク くち 1
Dwindle, Decrease, Reduce, Decline, Curtail, Get Hungry ゲン へ.る, へ.らす 5