Learn how to say Imperfectly correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word imperfect:
1not perfect; faulty or incomplete:
an imperfect grasp of English
2 Grammar (of a tense) denoting a past action in progress but not completed at the time in question.
3 Music (of a cadence) ending on the dominant chord.
4 Law (of a gift, title, etc.) transferred without all the necessary conditions or requirements being met.
(the imperfect) Grammar
the imperfect tense.
Middle English imparfit, imperfet, from Old French imparfait, from Latin imperfectus, from in- ‘not’ + perfectus (see perfect). The spelling change in the 16th century was due to association with the Latin form