へい
閉
こう
口

takes する, intransitive verb, noun, adjectival noun or quasi-adjective

  1. to be stumped, to be at a loss, to be at one's wits' end, to be nonplussed.
  2. to be fed up, to be tired (of), to be unable to bear, to be annoyed.

Variations

Pronunciation Kanji Kana Is Common
へい
閉
こう
口
 閉口 へいこう ✔

Contained Kanji Breakdown

closed, shut
と.じる　ヘイ　し.める (6th, N3)
gate, counter for cannons
モン　かど　と (2nd, N2)
genius, years old, cubic shaku
サイ (2nd, N3)
hand, hand radical (no. 64)
シュ
mouth
くち　コウ　ク (1st, N4)