mighta

Could have, casually

Mighta is a casual spelling of "might have" or "might've," representing how the phrase sounds in rapid speech: I mighta left it at the office.

Like coulda, shoulda, and woulda, it appears in informal writing that mimics spoken English.

The spelling is nonstandard but widely understood.

informal

coulda

Informal past potential

wanna · hafta · oughta · gotta · kinda · sorta · dunno · lemme · gimme · betcha

speculation

could've

Past possibility contraction

supposedly · apparently · presumably · probably · likely · conceivably · potentially · theoretically · hypothetically · guessing

regret

missed

Failed to reach

blown · overlooked · neglected · forgotten · passed up · let slip · opportunity · hindsight · reflection · second-guessing

Opposites
register/formality

mightamight have

Past possibility expressed

could have · written English · might've · proper English · would have

modal certainty

mightamust have

Indispensable item or requirement

did · had · absolutely · without a doubt · impossible

Phrases
Family

might, mighty, almighty, mightily, might've, mights, mightiness

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G