Antonyms of adj derivable

1 sense of derivable

Sense 1
derivable -- (capable of being derived)

INDIRECT (VIA derived) -> underived -- (not derived; primary or simple)

Similarity of adj derivable

1 sense of derivable

Sense 1
derivable -- (capable of being derived)
       => derived (vs. underived) -- (formed or developed from something else; not original; "the belief that classes and organizations are secondary and derived"- John Dewey)