Source : Webster's Revised Unabridged Dictionary (1913)

Confuse \Con*fuse"\, a. [F. confus, L. confusus, p. p. of
   confundere. See {Confound}.]
   Mixed; confounded. [Obs.] --Baret.

Confuse \Con*fuse"\, v. t. [imp. & p. p. {Confused}; p. pr. &
   vb. n. {Confusing}.]
   1. To mix or blend so that things can not be distinguished;
      to jumble together; to confound; to render indistinct or
      obscure; as, to confuse accounts; to confuse one's vision.

            A universal hubbub wild Of stunning sounds and
            voices all confused.                  --Milton.

   2. To perplex; to disconcert; to abash; to cause to lose
      self-possession.

            Nor thou with shadowed hint confuse A life that
            leads melodious days.                 --Tennyson.

            Confused and sadly she at length replied. --Pope.

   Syn: To abash; disorder; disarrange; disconcert; confound;
        obscure; distract. See {Abash}.

Source : WordNet®

confuse
     v 1: mistake one thing for another; "you are confusing me with
          the other candidate"; "I mistook her for the secretary"
          [syn: {confound}]
     2: be confusing or perplexing to; cause to be unable to think
        clearly; "These questions confuse even the experts"; "This
        question completely threw me"; "This question befuddled
        even the teacher" [syn: {throw}, {fox}, {befuddle}, {fuddle},
         {bedevil}, {confound}, {discombobulate}]
     3: cause to feel embarrassment; "The constant attention of the
        young man confused her" [syn: {flurry}, {disconcert}, {put
        off}]
     4: assemble without order or sense; "She jumbles the words when
        she is supposed to write a sentence" [syn: {jumble}, {mix
        up}]
     5: make unclear or incomprehensible; "The new tax return forms
        only confuse"
     6: make unclear, indistinct, or blurred; "Her remarks confused
        the debate"; "Their words obnubilate their intentions"
        [syn: {blur}, {obscure}, {obnubilate}]