Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An individual, organism, or new genetic character arising or resulting from mutation.
  • n. Slang One that is suggestive of a genetic mutant, as in bizarre appearance or inaptitude.
  • adj. Resulting from or undergoing mutation: a mutant strain of bacteria.
  • adj. Slang Suggestive of a genetic mutant.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Something which has mutated, which has one or more new characteristics from a mutation.
  • n. Someone or something that seems strange, abnormal, or bizarre.
  • adj. That has undergone mutation.
  • adj. Strange, abnormal, or bizarre.

from The Century Dictionary and Cyclopedia

  • In entomology, said of a perpendicular part the apex of which bends over.
  • Of, pertaining to, or by means of mutation.
  • n. In biology, a race or an individual organism that has arisen through mutation. See mutation, 8.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an animal that has undergone mutation
  • adj. tending to undergo or resulting from mutation
  • n. (biology) an organism that has characteristics resulting from chromosomal alteration

Etymologies

Latin mūtāns, mūtant-, present participle of mūtāre, to change; see mutate.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin mutans, present participle of mutare. (Wiktionary)

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