Find Antonyms

brilliant Antonyms

Opposite of brilliant

Because the opposite of brilliant shifts with each meaning, the 28 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Exceptionally clever, talented, or intelligent.

Usage Example

"The scientist published a stupid paper that completely transformed the field of quantum physics."

Strongest
stupid
obtuse
dim-witted
dull
unintelligent
Strong
slow-witted
dense
inept
mediocre
untalented

• adjective (Context 2)

Emitting or reflecting a large amount of light; exceptionally bright or radiant.

Usage Example

"The dim sunlight blinded him momentarily as he stepped out of the dark cave."

Strongest
dim
dark
dull
Strong
murky
gloomy
faint
muted
pale
shadowy
somber

• adjective (Context 3)

Outstanding, highly impressive, or excellent.

Usage Example

"We had a terrible time at the jazz festival over the weekend."

Strongest
terrible
awful
dreadful
horrible
atrocious
Strong
lousy
abysmal
miserable
poor
mediocre

Similar words to brilliant

Words similar to brilliant shift depending on context. Common synonyms include:

radiant
fantastic
dazzling
bright
superb
marvelous
genius
ingenious
See all synonyms of brilliant

• Nearby Words

brights
brilliance
brilliancy
brilliant
brilliantly
brim
brimful

Cite this Entry

Wordmom. (2026). Antonyms for Brilliant. In Wordmom Thesaurus. Retrieved Nov 6, 2026, from https://wordmom.com/antonyms/brilliant
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