無謀・無暴|むぼうmubou[0]heiban (flat)
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Which spelling to use
無謀無謀 is written entirely in kanji and is the most common written form; learners should use it as their default choice when writing this word.
無暴無暴 is written entirely in kanji but is a less common variant with irregular kanji. Learners should normally choose 無謀 instead.
Definitions
- na-adjective, nounreckless; thoughtless; rash; ill-advised; impulsive; mad (e.g. scheme)
Conjugation
| Plain form | 無謀（むぼう） |
|---|---|
| Polite (desu) | 無謀です（むぼうです） |
| Negative (dewa nai) | 無謀ではない（むぼうではない） |
| polite (dewa arimasen) | 無謀ではありません（むぼうではありません） |
| Past (datta) | 無謀だった（むぼうだった） |
| Past negative (dewa nakatta) | 無謀ではなかった（むぼうではなかった） |
| Te form (de) | 無謀で（むぼうで） |
| Adverbial (ni) | 無謀に（むぼうに） |
| Conditional (nara) | 無謀なら（むぼうなら） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Synonym無茶むちゃCasualColloquial and wide-ranging: absurd, wild, excessive; also covers unreasonable demands. 「無謀」 zeroes in on ignoring the consequences.
- Synonym軽々しいかるがるしいNeutralAn i-adjective for imprudent words and deeds, typically said of remarks or judgments; not about risk-taking specifically; 「無謀」 stresses defying the consequences.
- Synonym軽はずみかるはずみNeutralActing on sudden impulse, as in 「軽はずみな行動」; stresses a momentary lapse of care.
- Synonym向こう見ずむこうみずCasualColloquial. Charging ahead with no thought of what comes before or after; also used of such a person. Stresses an impulsive personality.
- Synonym無鉄砲むてっぽうCasualColloquial. Barreling ahead without regard for right or wrong; close to 「向こう見ず」, but stresses the recklessness of the deed itself.
- Synonym無分別むふんべつNeutralLacking judgment and a sense of proportion; stresses want of thought, and need not involve any risk-taking.
- Related軽率けいそつNeutralRash and hasty: doing things without due thought or in a rush. Milder than 「無謀」.
- Related無思慮むしりょWrittenWritten prose, and uncommon: failing to think things through. Stresses insufficient deliberation.
- RelatedむやみNeutralRushing into things with no real reason, or doing anything to excess; usually adverbial, as 「むやみに」. Stresses arbitrariness and lack of restraint.
- Related命知らずいのちしらずCasualColloquial. A daredevil person or act that disregards danger to life; stresses risking one's life, more extreme than 「無謀」.
- RelatedむやみやたらCasualColloquial. An emphatic 「むやみ」, for acting with no restraint at all; mostly used adverbially.
- Antonym慎重しんちょうNeutralAntonym. Careful and cautious, holding back from rash action; the opposite of consequence-defying 「無謀」.
- Antonym堅実けんじつNeutralAntonym. Steady, solid and dependable, typically said of business or methods; the opposite of risk-taking 「無謀」.
Use 「無謀」 for acting with no regard for the consequences, as in 「無謀な計画」 or 「無謀な運転」. For a rash personality say 「向こう見ず」, and for a momentary impulse 「軽はずみ」; the antonym is 「慎重」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
English equivalents
See also
