決心|けっしんkesshin[1]atamadaka (head-high)

JLPT N3approx.Common
Definitions
  1. noun, suru verb, transitive verbdetermination; resolution
    すぐ決心けっしんするようにしてください。↗
    Try to make up your mind soon.
Conjugation
Dictionary form決心する(けっしんする)
Polite (masu)決心します(けっしんします)
Negative (nai)決心しない(けっしんしない)
polite (masen)決心しません(けっしんしません)
classical zu / nu決心せず・決心せぬ(けっしんせず・けっしんせぬ)
Past (ta)決心した(けっしんした)
polite (mashita)決心しました(けっしんしました)
Past negative (nakatta)決心しなかった(けっしんしなかった)
polite (masen deshita)決心しませんでした(けっしんしませんでした)
Te form決心して(けっしんして)
Potential決心できる(けっしんできる)
Passive決心される(けっしんされる)
Causative決心させる(けっしんさせる)
Causative passive決心させられる(けっしんさせられる)
Conditional (ba)決心すれば(けっしんすれば)
tara決心したら(けっしんしたら)
Volitional決心しよう(けっしんしよう)
polite (mashou)決心しましょう(けっしんしましょう)
Imperative決心しろ(けっしんしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym決意けついNeutralFirm determination, often in solemn declarations like 「決意を表明する」; more formal and weightier than 「決心」.
  • Synonym思い立つおもいたつNeutralTo suddenly get the idea of doing something, as in 「思い立ったが吉日」; the focus is on the thought arising.
  • Synonym決するけっするWrittenA written verb meaning to decide or settle, as in 「意を決する」「勝敗を決する」.
  • Synonym決めるきめるNeutralThe most common verb for deciding; broad in scope and not necessarily a major resolve.
  • Synonym決断けつだんNeutralA decisive call made when facing a hard choice, as in 「決断を下す」; the stress is on resolve, not speed, and it may follow long deliberation.
  • Related思い定めるおもいさだめるWrittenA written verb for making up one's mind; rarely used in modern Japanese.
  • Antonym迷いまよいNeutralHesitation or bewilderment; the opposite of making up one's mind.
  • Antonym躊躇ちゅうちょNeutralHesitation or indecision, the opposite of 「決心」, as in 「躊躇なく」.

Use 「決心」 for making up your mind or resolving to do something. For a solemn declaration of resolve, 「決意」; for a decisive call on a hard problem, 「決断」; for ordinary decisions, 「決める」; for a sudden impulse, 「思い立つ」. Opposites: 「迷い」, 「躊躇」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 心こころを決きめること。
Kanji in this word
English equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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