Unknown mutants Synonyms

Unknown replaced

strange mutants

obscure mutants

anonymous mutants

alien mutants

secret mutants

mysterious mutants

different mutants

minor mutants

outlandish mutants

original mutants

Definitions for Unknown

(adjective) happening or existing without one's knowledge
(adjective) not known or experienced before
(adjective) not widely known

UM abbreviation

UM is an abbreviation for Unknown Mutants

What does UM stand for?

UM stands for "Unknown Mutants"