noun.
Something which has mutated, which has one or more new characteristics from a mutation.
noun.
Someone or something that seems strange, abnormal, or bizarre.
adjective.
That has undergone mutation.
adjective.
Strange, abnormal, or bizarre.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
an animal that has undergone mutation
adjective.
tending to undergo or resulting from mutation
noun.
(biology) an organism that has characteristics resulting from chromosomal alteration
Word Usage
"It kind of made sense that he would be very old, as the healing factor that is his main mutant ability would have kept him from aging much and it had been hinted at before."