from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Not perfect.
  • adj. Grammar Of or being the tense of a verb that shows, usually in the past, an action or a condition as incomplete, continuous, or coincident with another action.
  • adj. Botany Having either stamens or a pistil only. Used of a flower.
  • adj. Law Not legally enforceable: an imperfect contract.
  • n. A piece of merchandise having a minor flaw that does not impair its use, usually sold at a discount.
  • n. Grammar The imperfect tense.
  • n. Grammar A verb in the imperfect tense.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not perfect
  • adj. unisexual: having either male (with stamens) or female (with pistil) flowers, but not with both.
  • adj. Known or expected to be polyphyletic, as of a form taxon.
  • n. Something having a minor flaw
  • n. A tense of verbs used in describing a past action that is incomplete or continuous.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not perfect; not complete in all its parts; wanting a part; deective; deficient.
  • adj. Wanting in some elementary organ that is essential to successful or normal activity.
  • adj. Not fulfilling its design; not realizing an ideal; not conformed to a standard or rule; not satisfying the taste or conscience; esthetically or morally defective.
  • n. The imperfect tense; or the form of a verb denoting the imperfect tense.
  • transitive v. To make imperfect.

from The Century Dictionary and Cyclopedia

  • Not perfect; lacking completeness, correctness, or excellence; falling short of a standard or ideal; defective; incomplete: as, an imperfect copy of a book; imperfect vision.
  • Characterized by or subject to defects; not completely good; frail; inadequate.
  • In gram., designating incomplete or continuous action, or action or condition conceived as in process when something else takes place, as in Latin amabat, French aimait, Greek ε%27λνε, as distinguished from the simple past forms (aoristic), without further implication, amavit, aima, ε%27λνσε.
  • In music. See the phrases below.
  • Unjust; unfair.
  • Weak, erring.
  • n. In grammar, an imperfect tense; a past continuous tense.
  • To render imperfect.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a tense of verbs used in describing action that is on-going
  • adj. wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings
  • adj. not perfect; defective or inadequate


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English imparfit, from Old French imparfait, from Latin imperfectus : in-, not; see in-1 + perfectus, perfect; see perfect.

from Wiktionary, Creative Commons Attribution/Share-Alike License

im- +‎ perfect



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