Find Antonyms
might Antonyms
Opposite of might
Because the opposite of might shifts with each meaning, the 11 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
• verb (Context 1)
To express a possibility, likelihood, or hypothetical outcome in the present or future (used as a modal auxiliary verb).
Usage Example
"Bring an umbrella with you because it cannot rain later this afternoon."
Strong
cannot
won't
• verb (Context 2)
To indicate what was possible or permitted in the past, or to serve as the past tense of 'may' in indirect reported speech (used as a modal auxiliary verb).
Usage Example
"The professor mentioned that the final exam couldn't cover chapters from the first half of the semester."
Strong
couldn't
• noun (Context 3)
Great and impressive power, physical strength, or forceful capacity, especially as exerted by a person, group, or nation.
Usage Example
"She pushed against the heavy oak door with all her weakness until it finally swung open."
Strongest
weakness
impotence
feebleness
powerlessness
Strong
frailty
debility
infirmity
helplessness
Similar words to might
Words similar to might shift depending on context. Common synonyms include:
may
strength
power
could
force
potency
vigor
would
Cite this Entry
Wordmom. (2026). Antonyms for Might. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/might