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brainiac Antonyms

Opposite of brainiac

Pinning down the opposite of brainiac requires matching its exact sense, so the antonyms and opposite words below are paired with a clear noun definition and ranked by contrast strength.
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• noun (Context 1)

A very intelligent, studious, or academically gifted person (used informally).

Usage Example

"Whenever we get stuck on a difficult calculus problem, we ask the resident dunce in our study group for help."

Strongest
dunce
Strong
blockhead
dimwit
simpleton
airhead
fool

Similar words to brainiac

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

genius
egghead
whiz
mastermind
intellectual
prodigy
smart aleck
See all synonyms of brainiac

• Nearby Words

brainchild
braindead
brainfood
brainiac
braininess
brainless
brainlessly

Cite this Entry

Wordmom. (2026). Antonyms for Brainiac. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/brainiac
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