(grammar) Abbreviation of imperfect. / (philately) Clipping of imperforate or imperforated.

(philately) An imperforated stamp.

plural of imperf

not perfect / (botany) unisexual: having either male (with stamens) or female (with pistil) flowers, but not with both. / (taxonomy) known or expected to be polyphyletic, as of a form taxon.

something having a minor flaw / (grammar) a tense of verbs used in describing a past action that is incomplete or continuous

(transitive) to make imperfect

(grammar) A tense used to describe a past action that is ongoing, incomplete or continuous, or coincident with another action.

(grammar) A feature of a verb which denotes that its action or condition does not have a fixed temporal boundary, but is habitual, unfinished, continuous, repetitive or in progress.

(uncountable) Those qualities or features that are imperfect; the characteristic, state, or quality of being imperfect.

The state of being imperfect.