口くちが多おおい

expression, i-adjective

talkative; loquacious

Describes a person who talks a lot, often with a nuance of being too chatty or indiscreet. Used as an i-adjective phrase.

• 彼かれは口くちが多おおいから、秘ひ密みつを話はなさないほうがいい。

  He's talkative, so it's better not to tell him secrets.

• 口くちが多おおい人ひとと一いっ緒しょにいると疲つかれる。

  Being with a talkative person is tiring.

expression

having many mouths to feed

Refers to having a large family or many dependents to support. Used as a set expression, not as an i-adjective.

• 口くちが多おおいので、毎まい月つきの食しょく費ひが大たい変へんだ。

  With so many mouths to feed, the monthly food expenses are tough.