What are the opposite words for imperfective?

The word "imperfective" is an adjective that describes an ongoing, incomplete or continuous action or state of being, mostly used in the study of grammar. The antonyms of "imperfective" are "perfective," "completed" and "finished." These antonyms imply that the action or state of being has been fully accomplished, finalized, or brought to a satisfactory conclusion. In addition, words like "complete," "concluded" and "ended" can be used as antonyms of imperfective. When one wishes to use a completely opposite word, words like "flawless," "perfect," or "ideal" can be used. Overall, the antonyms of "imperfective" emphasize the sense of wholeness, certainty, and completion of the action or state of being.