Pronunciation: (pur-fek'tiv), [key]
1. tending to make perfect; conducive to perfection.
2. Gram.noting an aspect of verbal inflection, as in Russian, that indicates completion of the action or state denoted by the verb.
1. the perfective aspect.
2. a form in the perfective.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.