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1. Dictionary

   Brain·i·ac

   /ˈbrānēˌak/

   

   noun

   • 1. an exceptionally intelligent person: informal North American "she's the original brainiac, a kid who completed high school at 14"

   Word Origin 1970s: from the name of a supremely intelligent alien character in the Superman comic strip, probably from a blend of brain and maniac.

   Scrabble Points: 12

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2. www.merriam-webster.com › dictionary › brainiacBrainiac Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › brainiac

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   The meaning of BRAINIAC is a very intelligent person. How to use brainiac in a sentence. Did you know?

3. www.dictionary.com › browse › brainiacBRAINIAC Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › brainiac

   • Cached

   Brainiac definition: a highly intelligent person.. See examples of BRAINIAC used in a sentence.

4. www.vocabulary.com › dictionary › brainiacBrainiac - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › brainiac

   Definitions of brainiac. noun. someone who has exceptional intellectual ability and originality. synonyms: Einstein, brain, genius, mastermind. see more.

5. www.collinsdictionary.com › english › brainiacBRAINIAC definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › english › brainiac

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   5 days ago · noun. informal. a highly intelligent person. Collins English Dictionary. Copyright © HarperCollins Publishers. Word origin. C20: from a super-intelligent character in an American comic strip. Examples of 'brainiac' in a sentence. brainiac.

6. www.oxfordlearnersdictionaries.com › us › definitionbrainiac noun - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › us › definition

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   Definition of brainiac noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

7. www.thefreedictionary.com › brainiacBrainiac - definition of brainiac by The Free Dictionary

   www.thefreedictionary.com › brainiac

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   Noun. 1. brainiac - someone who has exceptional intellectual ability and originality; "Mozart was a child genius"; "he's smart but he's no Einstein". genius, mastermind, Einstein, brain. intellectual, intellect - a person who uses the mind creatively.

8. en.wiktionary.org › wiki › brainiacbrainiac - Wiktionary, the free dictionary

   en.wiktionary.org › wiki › brainiac

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   Mar 9, 2024 · brainiac (plural brainiacs) (slang, sometimes derogatory) A very intelligent and usually studious, erudite person. Synonyms: genius, pedant, smart-ass, wiseguy Antonyms: dufus, dumb-ass, dumbo, idiot, ignoramus