Try Our Apps


Gobble up these 8 terms for eating


[myoot-nt] /ˈmyut nt/
undergoing or resulting from mutation.
a new type of organism produced as the result of mutation.
Origin of mutant
1900-05; < Latin mūtant- (stem of mūtāns), present participle of mūtāre to change; see -ant
Related forms
unmutant, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for mutant
Contemporary Examples
Historical Examples
  • When this mutant first appeared its similarity to arc led us to suspect that it might be arc itself or an allelomorph of arc.

  • That should be enough to tell you about the modern Pasteur and his mutant virus.

    Pandemic Jesse Franklin Bone
  • In the fourth figure (d) the mutant called dichaete is shown.

  • "The ship will have to be destroyed as soon as you land," Forential told the mutant.

    Earth Alert! Kris Neville
  • Even her mutant powers could not keep fatigue out of her body forever.

    Earth Alert! Kris Neville
British Dictionary definitions for mutant


Also called mutation. an animal, organism, or gene that has undergone mutation
of, relating to, undergoing, or resulting from change or mutation
Word Origin
C20: from Latin mutāre to change
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for mutant

1901, in the biological sense, from Latin mutantem (nominative mutans) "changing," present participle of mutare "to change" (see mutable). In the science fiction sense, it is attested from 1954. As an adjective from 1903.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
mutant in Medicine

mutant mu·tant (myōōt'nt)
An organism possessing one or more genes that have undergone mutation. adj.
Resulting from or undergoing mutation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Slang definitions & phrases for mutant



A weird and disgusting person; shpos: Marvin is a mutant; he's constantly licking his nose in public (1980s+ Student)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
Cite This Source
mutant in Technology
Microsoft's term for a mutex which is generally used in user mode but can also be used in kernel mode. According to this terminology a mutex is only used in kernel mode.
["Microsoft Windows NT Workstation Resource Kit"].
The Free On-line Dictionary of Computing, © Denis Howe 2010
Cite This Source

Word of the Day

Word Value for mutant

Scrabble Words With Friends

Nearby words for mutant