決め込む · godan verb (-mu)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 決め込む | 決め込まない |
| Polite | 決め込みます | 決め込みません |
| Past polite | 決め込みました | 決め込みませんでした |
| Past | 決め込んだ | 決め込まなかった |
| Te-form | 決め込んで | 決め込まないで |
| Desire | 決め込みたい | 決め込みたくない |
| Potential | 決め込める | 決め込めない |
| Passive | 決め込まれる | 決め込まれない |
| Causative | 決め込ませる | 決め込ませない |
| Causative passive | 決め込ませられるalso 決め込まされる | 決め込ませられないalso 決め込まされない |
| Volitional | 決め込もう | |
| Polite volitional | 決め込みましょう | |
| Imperative | 決め込め | 決め込むな |
| Conditional | 決め込めば | 決め込まなければ |
| Tara conditional | 決め込んだら | 決め込まなかったら |
godan verb (-mu), transitive verb
assume; take for granted; jump to the conclusion
Used when someone firmly decides something is true without sufficient evidence, often with a negative connotation of being presumptuous or stubborn.
He takes it for granted that I will agree.
It's too early to jump to the conclusion that it's a failure when the results aren't out yet.
godan verb (-mu), transitive verb
Often used with nouns or adjectives to indicate acting as if one were something or in a certain state, e.g., 知らん顔を決め込む (pretend not to know).
He pretended not to know and didn't answer the question.
She poses as a victim, but in fact she is the perpetrator.
godan verb (-mu), transitive verb
persist in doing; go through with; make up one's mind to do
Emphasizes a strong determination to carry out a decision, often despite obstacles or criticism. Can imply stubbornness.
He persisted in carrying out his plan despite opposition.
Once he makes up his mind, he never gives up.
Rare variant with 極; may be encountered in older texts.