Word.ws English Dictionary

brainiest

brainiest is the superlative form of brainy.

Meaning of brainy

Adjective

brainy (comparative brainier, superlative brainiest)

  1. (informal) Very intellectually capable.
    • She's brainy as well as pretty.
  2. (rare) Of or relating to the brain.
    • You shal vnderstande that there springeth of the brayny substaunce of his for*most Ventrikles, two senewes, […]1577 [1548], Thomas Vicary, The Anatomie of the Bodie of Man […], part I, London: […] [F]or the Early English Text Society by N[icholas] Trübner & Co., […], published 1888, page 36
    Synonyms:
    brainial, cerebral

Questions about brainiest

What is brainiest the superlative form of?
Brainiest is the superlative form of brainy.

Words near brainiest in the dictionary

  1. brainhood
  2. brainiac
  3. brainiacs
  4. brainial
  5. brainier
  6. brainiest
  7. brainily
  8. braininess
  9. braining
  10. brainish
  11. brainist

Source and license

Adapted from Wiktionary: brainiest (page history and authors); brainy (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “brainiest.” Word.ws, https://word.ws/brainiest. Based on Wiktionary, CC BY-SA 4.0.