大人げない
おとなげない
i-adjective
childish; immature; unbecoming of an adult
Conjugation
| Affirmative | Negative | |
|---|---|---|
| Present | 大人げない | 大人げなくない |
| Past | 大人げなかった | 大人げなくなかった |
| て form | 大人げなくて | 大人げなくなくて |
| Adverbial | 大人げなく | — |
| Conditional ば | 大人げなければ | 大人げなくなければ |
| Conditional たら | 大人げなかったら | 大人げなくなかったら |
1.
childish; immature; unbecoming of an adult
Describes behavior that is petty, irritable, or undignified in a way that is inappropriate for a grown-up. Often used self-critically or as a mild rebuke.
Compound of 大人 (adult) + the suffix 〜げ (an appearance, a quality) + ない (not). Literally 'not having the quality of an adult.'
Common collocations
- 大人げない態度: childish attitude
- 大人げない発言: immature remark
- 大人げないことを言う: say something childish
- 大人げない反応: childish reaction
Usage
Often applied to small acts of pettiness by an adult — losing temper at a child, refusing to apologize, sulking. Saying 大人げなかった about oneself is a common form of mild self-criticism.