決意|けついketsui[1]atamadaka (head-high)
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- noun, suru verb, transitive verbdecision; determination; resolution
Conjugation
| Dictionary form | 決意する(けついする) |
|---|---|
| Polite (masu) | 決意します(けついします) |
| Negative (nai) | 決意しない(けついしない) |
| polite (masen) | 決意しません(けついしません) |
| classical zu / nu | 決意せず・決意せぬ(けついせず・けついせぬ) |
| Past (ta) | 決意した(けついした) |
| polite (mashita) | 決意しました(けついしました) |
| Past negative (nakatta) | 決意しなかった(けついしなかった) |
| polite (masen deshita) | 決意しませんでした(けついしませんでした) |
| Te form | 決意して(けついして) |
| Potential | 決意できる(けついできる) |
| Passive | 決意される(けついされる) |
| Causative | 決意させる(けついさせる) |
| Causative passive | 決意させられる(けついさせられる) |
| Conditional (ba) | 決意すれば(けついすれば) |
| tara | 決意したら(けついしたら) |
| Volitional | 決意しよう(けついしよう) |
| polite (mashou) | 決意しましょう(けついしましょう) |
| Imperative | 決意しろ(けついしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym決心けっしんNeutralNeutral noun for making up one's mind, common in daily use; 「決意」 is more solemn and often used to declare firm resolve.
- Synonym決断けつだんWrittenWritten-style noun for a decisive, resolute choice made without hesitation, as in 「決断を迫られる」.
- Synonym思い立つおもいたつNeutralNeutral verb for suddenly getting the idea to do something, as in 「思い立ったが吉日」; stresses the moment the intention arises.
- Synonym決するけっするWrittenVerb meaning to decide or settle, as in 「勝敗を決する」; leans toward formal prose, though set phrases like this can also be heard in conversation.
- Synonym決めるきめるNeutralNeutral, all-purpose verb for deciding; the most common everyday word and the broadest in range.
- Synonym思い定めるおもいさだめるWrittenWritten verb for settling firmly on a decision; fairly rare, and everyday speech says 「決心する」 instead.
- Related誓いちかいWrittenWritten noun for a vow or oath; stresses a promise made to others rather than inner resolve.
- Antonym躊躇ちゅうちょWrittenWritten noun for hesitation or indecision; the direct opposite of resolute 「決意」.
- Antonym迷いまよいNeutralNeutral noun for wavering or doubt; stands opposite to firm, settled 「決意」.
Use 「決意」 for a firm, serious resolve, as in 「決意を固める」; it is often the word chosen when stating that resolve. 「決心」 is the everyday word for making up one's mind; 「決断」 stresses decisive choice; 「思い立つ」 a sudden impulse; 「決める」 the all-purpose everyday verb. For hesitation, use 「躊躇」 or 「迷い」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


