決けっ心しん

け

っ

し

ん

Common wordJLPTN3Freq.FrequencyTop 20,000

決心する · noun or participle which takes 'suru'

Form	Positive	Negative
Dictionary	決けっ心しんする	決けっ心しんしない
Polite	決けっ心しんします	決けっ心しんしません
Past polite	決けっ心しんしました	決けっ心しんしませんでした
Past	決けっ心しんした	決けっ心しんしなかった
Te-form	決けっ心しんして	決けっ心しんしないで
Desire	決けっ心しんしたい	決けっ心しんしたくない
Potential	決けっ心しんできる	決けっ心しんできない
Passive	決けっ心しんされる	決けっ心しんされない
Causative	決けっ心しんさせる	決けっ心しんさせない
Causative passive	決けっ心しんさせられる	決けっ心しんさせられない
Volitional	決けっ心しんしよう
Polite volitional	決けっ心しんしましょう
Imperative	決けっ心しんしろ	決けっ心しんするな
Conditional	決けっ心しんすれば	決けっ心しんしなければ
Tara conditional	決けっ心しんしたら	決けっ心しんしなかったら

Meanings

noun, noun or participle which takes 'suru', transitive verb

determination; resolution; making up one's mind

Refers to a firm decision or resolve, often after deliberation. Commonly used with する to mean 'to decide firmly' or 'to make up one's mind'.

彼かれは留りゅう学がくする決けっ心しんをした。
He made up his mind to study abroad.
なかなか決けっ心しんがつかない。
I just can't make up my mind.

See all 79 example sentences ›

Usage patterns

〈事こと〉を決けっ心しんするto make up one's mind to do something
彼かれはタバコをやめる決けっ心しんをした。
He made up his mind to quit smoking.
決けっ心しんがつくto come to a firm decision
なかなか決けっ心しんがつかなかった。
I just couldn't make up my mind.
〈動どう詞し〉決けっ心しんでwith the resolve to do something
二に度どと失しっ敗ぱいしない決けっ心しんで仕し事ごとに取とり組くんだ。
I tackled the work with the resolve never to fail again.

Expressions

決けっ心しんが鈍にぶるwaver in one's resolution; lose one's resolve
決けっ心しんが揺ゆらぐlose one's resolve; waver in one's determination
決けっ心しんを固かためるmake a firm resolution; resolve firmly

Kanji

決decide, fix, agree upon
心heart, mind, spirit

Related words· 7

決けつ意いN2
決意 is a more formal, weighty determination often used in serious or public contexts, while 決心 is the everyday word for personal resolve.
覚かく悟ごN3
覚悟 stresses mental readiness to face a difficult or unpleasant outcome, whereas 決心 simply focuses on the act of deciding.
決けつ断だんN1
決断 highlights the moment of choosing decisively between options, while 決心 emphasizes the firm inner resolve that follows.
腹はらを決きめるN2
決心する is a more formal, neutral verb for deciding, while 腹を決める carries a colloquial, emotionally charged sense of steeling oneself.

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思おもい立たつN2
決心する describes a firm, often carefully considered decision, while 思い立つ captures the sudden moment of getting an idea and resolving to act on it.
思おもい切きるN3
決心する describes making a firm resolution, while 思い切る stresses overcoming hesitation to finally act.
思おもい込こむN2
決心する is a neutral, straightforward word for deciding or resolving to do something, whereas 思い込む can sound more emotionally fixed or self-convincing when used for determination.

Don't confuse with

決けっ定ていN3
決定 refers to an official or objective decision/ruling, while 決心 is a personal, internal resolve.

Word family

一いち大だい決けっ心しん
momentous decision; crucial decision; big resolution

Etymology

Compound of 決 (decide) and 心 (heart/mind), literally 'decided heart'. The exact historical derivation is uncertain, but the spelling is conventionally associated with firm resolve.