1. Suru verb, Intransitive verb, Noun, Na-adjective (keiyodoshi)

   1.

   to be stumped; to be at a loss; to be at one's wits' end; to be nonplussed

2. 2.

   to be fed up; to be tired (of); to be unable to bear; to be annoyed

Example sentences

• めちゃくちゃな演奏に閉口した。

  The performance was so weird and it turned me off.

• 隣の家の人々は我々が昨夜大騒ぎをしたので閉口した。

  The people next door were annoyed with us for making so much noise last night.