English Lexicon

Brainiac

/ˈbreɪ.ni.æk/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A person who is exceptionally intelligent or knowledgeable.

    "The young brainiac solved complex math problems faster than his teacher."
  2. 2

    A person who is very enthusiastic about intellectual pursuits.

    "She was a brainiac when it came to science, always winning the school competitions."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'brainiac' originated in the United States in the 1940s, derived from the combination of 'brain' and the suffix '-iac', which denotes a person with a strong affinity for a particular quality. It evolved to describe someone exceptionally intelligent or knowledgeable.

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