閉口する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 閉口する | 閉口しない |
| Polite | 閉口します | 閉口しません |
| Past polite | 閉口しました | 閉口しませんでした |
| Past | 閉口した | 閉口しなかった |
| Te-form | 閉口して | 閉口しないで |
| Desire | 閉口したい | 閉口したくない |
| Potential | 閉口できる | 閉口できない |
| Passive | 閉口される | 閉口されない |
| Causative | 閉口させる | 閉口させない |
| Causative passive | 閉口させられる | 閉口させられない |
| Volitional | 閉口しよう | |
| Polite volitional | 閉口しましょう | |
| Imperative | 閉口しろ | 閉口するな |
| Conditional | 閉口すれば | 閉口しなければ |
| Tara conditional | 閉口したら | 閉口しなかったら |
noun or participle which takes 'suru', intransitive verb, noun, na-adjective
be stumped; be at a loss; be nonplussed
Describes being so perplexed or overwhelmed that one is rendered speechless or unable to respond. Often used when facing an unexpected difficulty or an unreasonable situation.
彼の理不尽な要求には閉口した。
I was at a loss for words at his unreasonable demand.
I'm stumped by the extreme heat.
noun or participle which takes 'suru', intransitive verb, noun, na-adjective
be fed up; be annoyed; be unable to bear
Expresses irritation or weariness with a persistent or unpleasant situation. Often used with に or には to mark the cause of annoyance.
I'm really fed up with the crowded train every day.
I got annoyed with his boasting.
I was left speechless by the sudden question.
I'm fed up with the daily overtime.