an animal that has undergone mutation
"The scientist observed a mutant frog in the pond whose skin had developed bright blue spots due to genetic mutation."
Something which has mutated, which has one or more new characteristics from a mutation.
"The mutant bacteria grew rapidly after absorbing the chemical."
In plain English: A mutant is an organism that has changed genetically from its original form, often resulting in unusual traits not seen in others of its kind.
"The comic book hero was known for his mutant powers that allowed him to fly."
Usage: In everyday contexts, "mutant" refers specifically to an organism with genetic changes rather than abstract concepts like ideas or systems. Use this term when describing living beings that have developed distinct physical traits due to biological mutations.
Of, relating to, undergoing (i.e. mutating), or resulting from change or mutation; that has undergone mutation.
"The mutant strain of bacteria developed rapidly after exposure to the harsh chemical agent."
In plain English: Mutant describes something that has changed from its normal form, often due to genetic differences.
"The mutant strain of bacteria survived even after being exposed to harsh chemicals."
The word mutant comes from the Latin verb mūtō, meaning to change or alter. It entered English in the 19th century as a noun describing something that has undergone such a transformation.