underivable

Something that cannot be derived.

Adjective

  1. That cannot be derived.
    • [B]eautiful women […] seem, for a long interval, mysteriously exempt from the incantations of decay; for as the outward loveliness touch by touch departs, the interior beauty touch by touch replaces that departing...

Origin

From un- + derivable.

Noun

  1. Something that cannot be derived.

Forms

underivables