Antonyms of adj underived

1 sense of underived

Sense 1
underived (vs. derived) -- (not derived; primary or simple)

derived (vs. underived) -- (formed or developed from something else; not original; "the belief that classes and organizations are secondary and derived"- John Dewey)
        => derivable -- (capable of being derived)
        => derivative -- (resulting from or employing derivation; "a derivative process"; "a highly derivative prose style")
        => plagiaristic, plagiarized, plagiarised -- (copied and passed off as your own; "used plagiarized data in his thesis"; "a work dotted with plagiarized phrases")

Similarity of adj underived

1 sense of underived

Sense 1
underived (vs. derived) -- (not derived; primary or simple)
       => original -- (not derived or copied or translated from something else; "the play is original; not an adaptation"; "he kept the original copy and gave her only a xerox"; "the translation misses much of the subtlety of the original French")
       => primary -- (not derived from or reducible to something else; basic; "a primary instinct")