[1] : The Collaborative International Dictionary of English v.0.48

imperfect \imper"fect\, a. l. imperfectus: pref. im- not +
   perfectus perfect: cf. f imparfait, whence oe. imparfit. see
   perfect.
   1. not perfect; not complete in all its parts; wanting a
      part; deective; deficient.
      1913 webster

            something he left imperfect in the state. --shak.
      1913 webster

            why, then, your other senses grow imperfect. --shak.
      1913 webster

   2. wanting in some elementary organ that is essential to
      successful or normal activity.
      1913 webster

            he . . . stammered like a child, or an amazed,
            imperfect person.                     --jer. taylor.
      1913 webster

   3. 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.
      1913 webster

            nothing imperfect or deficient left
            of all that he created.               --milton.
      1913 webster

            then say not man's imperfect, heaven in fault;
            say rather, man's as perfect as he ought. --pope.
      1913 webster

   imperfect arch, an arch of less than a semicircle; a skew
      arch.

   imperfect cadence mus., one not ending with the tonic,
      but with the dominant or some other chord; one not giving
      complete rest; a half close.

   imperfect consonances mus., chords like the third and
      sixth, whose ratios are less simple than those of the
      fifth and forth.

   imperfect flower bot., a flower wanting either stamens or
      pistils. --gray.

   imperfect interval mus., one a semitone less than
      perfect; as, an imperfect fifth.

   imperfect number math., a number either greater or less
      than the sum of its several divisors; in the former case,
      it is called also a defective number; in the latter, an
      abundant number.

   imperfect obligations law, obligations as of charity or
      gratitude, which cannot be enforced by law.

   imperfect power math., a number which can not be produced
      by taking any whole number or vulgar fraction, as a
      factor, the number of times indicated by the power; thus,
      9 is a perfect square, but an imperfect cube.

   imperfect tense gram., a tense expressing past time and
      incomplete action.
      1913 webster
see also:
perfect imperfect arch imperfect cadence imperfect consonances imperfect flower imperfect interval 
imperfect number defective number abundant number imperfect obligations imperfect power 
imperfect tense 

[2] : The Collaborative International Dictionary of English v.0.48

cadence \ca"dence\, n. oe. cadence, cadens, ll. cadentia a
   falling, fr. l. cadere to fall; cf. f. cadence, it. cadenza.
   see chance.
   1913 webster
   1. the act or state of declining or sinking. obs.
      1913 webster

            now was the sun in western cadence low. --milton.
      1913 webster

   2. a fall of the voice in reading or speaking, especially at
      the end of a sentence.
      1913 webster

   3. a rhythmical modulation of the voice or of any sound; as,
      music of bells in cadence sweet.
      1913 webster

            blustering winds, which all night long
            had roused the sea, now with hoarse cadence lull
            seafaring men o'erwatched.            --milton.
      1913 webster

            the accents . . . were in passion's tenderest
            cadence.                              --sir w.
                                                  scott.
      1913 webster

   4. rhythmical flow of language, in prose or verse.
      1913 webster

            golden cadence of poesy.              --shak.
      1913 webster

            if in any composition much attention was paid to the
            flow of the rhythm, it was said at least in the
            14th and 15th centuries to be "prosed in faire
            cadence."                             --dr. guest.
      1913 webster

   5. her. see cadency.
      1913 webster

   6. man. harmony and proportion in motions, as of a
      well-managed horse.
      1913 webster

   7. mil. a uniform time and place in marching.
      1913 webster

   8. mus.
      a the close or fall of a strain; the point of rest,
          commonly reached by the immediate succession of the
          tonic to the dominant chord.
      b a cadenza, or closing embellishment; a pause before
          the end of a strain, which the performer may fill with
          a flight of fancy.
          1913 webster

   imperfect cadence. mus. see under imperfect.
      1913 webster
see also:
chance cadency imperfect cadence imperfect 

Imperfect >> I Words
Imperfect, definition of term: Imperfect
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Cadence >> C Words
Cadence, definition of term: Cadence
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