Find Antonyms
may Antonyms
Opposite of may
Because the opposite of may shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• verb (Context 1)
To be possible, plausible, or contingent (used as a modal auxiliary with a bare infinitive).
Usage Example
"There cannot be slight delays on the commuter rail line due to track maintenance."
Strongest
cannot
• verb (Context 2)
To be permitted, allowed, or authorized to do something (used as a modal auxiliary).
Usage Example
"Visitors cannot photograph the exhibits provided they do not use a flash."
Strongest
cannot
mayn't
Similar words to may
Words similar to may shift depending on context. Common synonyms include:
might
can
hawthorn
whitethorn
could
mayblossom
mayflower
quickthorn
Cite this Entry
Wordmom. (2026). Antonyms for May. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/may