Antonyms of adj polymorphic

1 of 3 senses of polymorphic

Sense 3
polymorphic, polymorphous -- (having or occurring in several distinct forms; "man is both polymorphic and polytypic"; "a polymorphous god")

INDIRECT (VIA multiform) -> uniform, unvarying -- (always the same; showing a single form or character in all occurrences; "a street of uniform tall white buildings")

Similarity of adj polymorphic

3 senses of polymorphic

Sense 1
polymorphous, polymorphic -- (relating to the crystallization of a compound in two or more different forms; "polymorphous crystallization")

Sense 2
polymorphic, polymorphous -- (relating to the occurrence of more than one kind of individual (independent of sexual differences) in an interbreeding population; "a polymorphic species")

Sense 3
polymorphic, polymorphous -- (having or occurring in several distinct forms; "man is both polymorphic and polytypic"; "a polymorphous god")
       => multiform (vs. uniform) -- (occurring in or having many forms or shapes or appearances; "the multiform universe of nature and man"- John Dewey)