むりだ

むりだ
expression
it's impossible, I can't do it
1. it's impossible, I can't do it, no way
A casual exclamation expressing that something is beyond one's ability or that a situation is hopeless. Often used as a gut reaction to refuse or give up.
むりだ、()きられない。
I can't — I can't get up.
(はし)ってみない?」「むりむり、もう(あし)(うご)かない」
"Want to try running?" "No way, my legs won't move anymore."
明日(あした)までにこの(りょう)()わらせるのはむりだと(おも)う。
I think it's impossible to finish this amount by tomorrow.

むりだ is the casual predicate form of 無理(むり) (impossible, unreasonable). As a standalone expression, it functions as a quick refusal or declaration of impossibility.

COMMON PATTERNS:

  • むりだ: flat declaration of impossibility
  • むりむり: repeated for emphasis, firmly refusing
  • 絶対(ぜったい)むりだ: absolutely impossible
  • むりだった: past form, reporting inability

NUANCE:
In casual speech, むりだ often expresses subjective inability ("I personally can't handle this") rather than objective impossibility. Young people frequently use it as a lighthearted refusal or expression of being overwhelmed.

CONTRAST WITH だめだ:

  • むりだ: emphasizes impossibility — "it can't be done"
  • だめだ: emphasizes failure or unsuitability — "it's no good"

In practice, they often overlap, but むりだ leans more toward refusing or giving up, while だめだ leans toward evaluating a negative result.

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