not perfect
belonging to a tense of verbs used in describing a past action that is incomplete or continuous
known or expected to be polyphyletic, as of a form taxon.
unisexual: having either male (with stamens) or female (with pistil) flowers, but not with both.
something having a minor flaw
a tense of verbs used in describing a past action that is incomplete or continuous
to make imperfect
The best of its kind
Describing a search algorithm that always returns the best result.
The best, most favourable or desirable, especially under some restriction.