Source : Webster's Revised Unabridged Dictionary (1913)

Offend \Of*fend\, v. t. [imp. & p. p. {Offended}; p. pr. & vb.
   n. {Offending}.] [OF. offendre, L. offendere, offensum; ob
   (see {Ob-}) + fendere (in comp.) to thrust, dash. See
   {Defend}.]
   1. To strike against; to attack; to assail. [Obs.] --Sir P.
      Sidney.

   2. To displease; to make angry; to affront.

            A brother offended is harder to be won than a strong
            city.                                 --Prov. xviii.
                                                  19.

   3. To be offensive to; to harm; to pain; to annoy; as, strong
      light offends the eye; to offend the conscience.

   4. To transgress; to violate; to sin against. [Obs.]

            Marry, sir, he hath offended the law. --Shak.

   5. (Script.) To oppose or obstruct in duty; to cause to
      stumble; to cause to sin or to fall. [Obs.]

            Who hath you misboden or offended.    --Chaucer.

            If thy right eye offend thee, pluck it out . . . And
            if thy right hand offend thee, cut it off. --Matt.
                                                  v. 29, 3O.

            Great peace have they which love thy law, and
            nothing shall offend them.            --Ps. cxix.
                                                  165.

Source : WordNet®

offend
     v 1: cause to feel resentment or indignation; "Her tactless
          remark offended me" [syn: {pique}]
     2: act in disregard of laws and rules; "offend all laws of
        humanity"; "violate the basic laws or human civilization";
        "break a law" [syn: {transgress}, {infract}, {violate}, {go
        against}, {breach}, {break}]
     3: strike with disgust or revulsion; "The scandalous behavior
        of this married woman shocked her friends" [syn: {shock},
        {scandalize}, {scandalise}, {appal}, {appall}, {outrage}]
     4: hurt the feelings of; "She hurt me when she did not include
        me among her guests"; "This remark really bruised me ego"
        [syn: {hurt}, {wound}, {injure}, {bruise}, {spite}]