1.
unreasonable; absurd; chaotic; messy
Describes something that is disorderly, illogical, or out of control. As a na-adjective it characterizes a situation, plan, or behavior; as an adverb it intensifies.
2.
extremely; really; super (casual intensifier)
Used adverbially in casual speech to mean 'extremely' or 'really.' Functionally equivalent to とても but much more colloquial.
A casual variant of めちゃくちゃ. Common in spoken Japanese; in writing, めちゃくちゃ is slightly more standard.
Common collocations
- むちゃくちゃな話: an absurd story
- むちゃくちゃに怒る: to be furious
- むちゃくちゃ楽しい: incredibly fun
- むちゃくちゃ食べる: to eat a huge amount
Similar words
- めちゃくちゃ: same meaning, slightly more common in writing
- むちゃ: rash; reckless — shorter form, focuses more on unreasonableness
- とても: very — neutral; not casual
Register
Casual. Avoid in formal writing or polite speech. Sense 2 (the intensifier) is especially colloquial.