マジ

まじ
adverb, na-adjective
really, seriously
1. really, seriously (adverb)
Used to emphasize something is genuine or to express strong feelings. Casual/slang.
マジで美味(おい)しい！
This is seriously delicious!
マジ？信(しん)じられない！
Seriously? I can't believe it!
あの映画(えいが)、マジで泣(な)けるから見(み)てみて。
That movie will seriously make you cry — check it out.
2. serious, for real (adjective)
Describing something as genuine or earnest.
マジな話(はなし)だよ。
I'm being serious.
冗談(じょうだん)じゃなくてマジだから。
I'm not joking — I'm for real.
マジな話(はなし)、転職(てんしょく)を考(かんが)えている。
Seriously though, I'm thinking about changing jobs.

マジ is a very common casual/slang term meaning 'really' or 'seriously,' derived from 真面目(まじめ).

COMMON PATTERNS:

  • マジで: really, seriously (adverb)
  • マジ？: Really? Seriously? (exclamation)
  • マジな話(はなし): speaking seriously
  • マジやばい: really crazy/bad/awesome

REGISTER:
Informal slang - inappropriate for formal settings, business, or speaking with superiors. Common among young people and in casual conversation.

RELATED TERMS:

Related Words

Related: 本当(ほんとう)に (really (formal))
Related: ガチ (serious)
Related: 真面目(まじめ) (serious (origin word))
general
Added 2026.1.16 8:50 · Revised 2026.6.2 23:10
04500/04744_maji