閉口 (Heikou) is a Japanese suru verb meaning “to be stumped, to be at a loss, to be at one's wits' end, to be nonplussed”.
Meanings
- suru verb, intransitive verb, noun, na-adjectiveto be stumped; to be at a loss; to be at one's wits' end; to be nonplussed
- suru verb, intransitive verb, noun, na-adjectiveto be fed up; to be tired (of); to be unable to bear; to be annoyed
Examples
君のわがままには閉口する。
I'm annoyed at your selfishness.
彼はその問題で閉口していた。
He was stumped by the problem.
あのわんぱく小僧のいたずらには閉口する。
That naughty boy annoys me by his pranks.
Sentences from Tatoeba (CC BY 2.0 FR).