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my bad

my bad

47 8.4
A short casual phrase to admit you made a mistake
  • idiom
  • Informal
: mi culpa
  • When I realized I had sent the email to the wrong person, I quickly apologized and said, "My bad."
  • Oh, my bad
  • sorry, my bad
  • say my bad

And then I literally said repeat after me, my bad, I'm sorry, I screwed up.

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Examples

  • I forgot the line, my bad.

  • Wrong number, my bad.

  • So I call back, my bad, my bad, my bad.

  • So yeah, my bad, my bad.

  • I like, yeah, my bad, my bad.

  • My bad, my bad, my bad.

  • Oh, my bad, that was me. Oops, I'll pick a new spot next time.

    Blog text (2)
  • A simple "My bad" on his part really could have saved him a lot of embarrassment.

    Blog text (26)
  • And then I literally said repeat after me, my bad, I'm sorry, I screwed up.

  • I've lost count of the number of times I've said "my bad."

    Blog text (22)

Synonyms

sorry
vsmy bad
∞ 1.0

Feeling regret for something you did

admits personal responsibility informally rather than only showing regret
oops
vsmy bad
  • Informal
97 3.9

A short word people say after a small mistake or accident

admits responsibility directly rather than just reacting to a small slip
mea culpa
vsmy bad
  • Formal
11 8.5

A statement saying you are sorry for a mistake

is an informal admission rather than a formal phrase

How Apologetic

to apologize for
  • US
484 1.8
sorry
∞ 1.0
my bad
  • Informal
47 8.4
oops
  • Informal
97 3.9

Surface Forms

my bad main

Morphology

my + bad

Although the parts 'my' (possessive) and 'bad' (negative quality) give a partial hint that something about the speaker is negative, the jump from 'bad' to admitting responsibility ('my fault') is idiomatic and sociolinguistically marked. A B1 learner who knows both words may guess a negative comment about the speaker but will not reliably infer the conventionalised apology/acceptance-of-blame meaning without prior exposure, so the expression is partially but not fully transparent.

Etymology

The phrase my bad likely comes from casual American games like pickup basketball, where a player who made a mistake would say my bad, literally calling their action my bad. One popular story says this short line became an easy way to admit a mistake, so today it means 'my fault' or 'sorry'.