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Synonyms for

Brainiac

Noun / ˈeɪˈsi: / Another word for brainiac — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

A very intelligent person.

Synonyms & similar words

brain einstein mastermind genius genius intellectual prodigy smartypants whiz egghead know-it-all sage savant brain expert mastermind scholar brainbox gifted clever astute wise learned erudite

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Example sentences

  1. My sister is a real brainiac and always knows the answers to my questions.
  2. The scientist was a brainiac and discovered a cure for a deadly disease.
  3. The math teacher was impressed with the brainiac student who solved a difficult problem.
  4. The trivia game was easy for the brainiac contestant.
  5. The chess champion was a brainiac and won every game.

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