Meaning of imperfect

im•per•fect

Pronunciation: (im-pûr'fikt), [key]
— adj.
  1. of, pertaining to, or characterized by defects or weaknesses: imperfect vision.
  2. not perfect; lacking completeness: imperfect knowledge.
  3. noting action or state still in process at some temporal point of reference, particularly in the past.
  4. being without legal effect or support; unenforceable.
  5. (of a flower) diclinous.
  6. of or relating to the interval of a major or minor third or sixth. Cf. perfect (def. 12a).
—n.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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