Synonyms of brainiac
4 similar words · 5 opposite words
Another word for brainiac is genius. Other synonyms of brainiac are pedant, smart-ass and wiseguy.
Synonyms and similar words for brainiac
Opposite of brainiac
Meaning of brainiac
- noun A very intelligent and usually studious, erudite person.
Questions about synonyms of brainiac
- What is another word for brainiac?
- Brainiac has 4 synonyms on Word.ws, such as genius, pedant, smart-ass and wiseguy.
- What is the opposite of brainiac?
- The opposite of brainiac is dufus. Other antonyms of brainiac are dumb-ass, dumbo, idiot and ignoramus.
- What does brainiac mean?
- Brainiac means a very intelligent and usually studious, erudite person.
Source and license
Adapted from Wiktionary: brainiac (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of brainiac.” Word.ws, https://word.ws/synonyms/brainiac. Based on Wiktionary, CC BY-SA 4.0.