無謀(むぼう)

むぼう
na-adjective
reckless, rash, foolhardy
descriptive
1. reckless, rash, foolhardy
Acting without thought for consequences or without adequate planning. Describes plans, actions, or behavior that are unreasonably risky or ill-considered.
無謀(むぼう)な運転(うんてん)はやめてほしい。
I wish you'd stop driving recklessly.
準備(じゅんび)なしで登山(とざん)するのは無謀(むぼう)だ。
Climbing a mountain without preparation is reckless.
周囲(しゅうい)からは無謀(むぼう)だと言(い)われたが、彼(かれ)は計画(けいかく)を実行(じっこう)に移(うつ)し、見事(みごと)に成功(せいこう)させた。
People around him said it was reckless, but he put the plan into action and succeeded brilliantly.

Common patterns

Na-adjective. Used as 無謀(むぼう)な + noun (modifier) or 無謀(むぼう)だ (predicate).

Similar words

  • 無謀(むぼう): reckless due to lack of planning or foresight; implies the action is unreasonable
  • 大胆(だいたん): bold, daring; can be positive (courageous) or negative depending on context
  • 無鉄砲(むてっぽう): reckless, heedless; more colloquial, often describes personality traits

Common collocations

Related Words

Antonym: 慎重(しんちょう) (careful)
Synonym: 軽率(けいそつ) (rash, thoughtless)
Compare: 大胆(だいたん) (bold, daring)
Compare: 無鉄砲(むてっぽう) (reckless, heedless)
Compare: 軽挙妄動(けいきょもうどう) (rash action, reckless behavior)
Compare: 軽(かる)はずみ (rashness)
Homophone: 無帽(むぼう) (bareheaded)
general
Added 2026.2.24 20:44 · Revised 2026.9.2 13:01
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