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

rebuke \rebuke"\ r-eb=uk", v. t. imp.  p. p. rebuked
   r-eb=ukt"; p. pr.  vb. n. rebuking. of.
   rebouquier to dull, blunt, f. reboucher; perhaps fr. pref.
   re- re- + bouche mouth, of. also bouque, l. bucca cheek; if
   so, the original sense was, to stop the mouth of; hence, to
   stop, obstruct.
   to check, silence, or put down, with reproof; to restrain by
   expression of disapprobation; to reprehend sharply and
   summarily; to chide; to reprove; to admonish.
   1913 webster

         the proud he tamed, the penitent he cheered,
         nor to rebuke the rich offender feared.  --dryden.
   1913 webster

   syn: to reprove; chide; check; chasten; restrain; silence.
        see reprove.
        1913 webster
see also:
rebuked rebuking reprove 

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

rebuke \rebuke"\ r-eb=uk", n.
   1. a direct and pointed reproof; a reprimand; also,
      chastisement; punishment.
      1913 webster

            for thy sake i have suffered rebuke.  --jer. xv. 15.
      1913 webster

            why bear you these rebukes and answer not? --shak.
      1913 webster

   2. check; rebuff. obs. --l'estrange.
      1913 webster

   to be without rebuke, to live without giving cause of
      reproof or censure; to be blameless.
      1913 webster
see also:
to be without rebuke 

[3] : WordNet (r) 2.0

rebuke
     n : an act or expression of criticism and censure; "he had to
         take the rebuke with a smile on his face" syn: reproof,
          reproval, reprehension, reprimand
     v : censure severely or angrily; "the mother scolded the child
         for entering a stranger's car"; "the deputy ragged the
         prime minister"; "the customer dressed down the waiter
         for bringing cold soup" syn: call on the carpet, rag,
          trounce, reproof, lecture, reprimand, jaw, dress
         down, call down, scold, chide, berate, bawl out,
          remonstrate, chew out, chew up, have words, lambaste,
          lambast
see also:
reproof reproval reprehension reprimand call on the carpet rag 
trounce lecture jaw dress down call down 
scold chide berate bawl out remonstrate 
chew out chew up have words lambaste lambast 

[4] : Moby Thesaurus II by Grady Ward, 1.0

63 moby thesaurus words for "rebuke":
   admonish, admonishment, admonition, bawl out, berate, berating,
   blowing up, bring to book, call down, call to account, carpet,
   castigate, castigation, censure, chastise, chastisement, chew out,
   chide, chiding, correct, correction, criticism, criticize,
   dress down, dressing down, dressing-down, earful, have words with,
   hell, lecture, lesson, objurgate, objurgation, rap, rate, rating,
   reprehend, reprehension, reprimand, reproach, reprobation, reproof,
   reproval, reprove, revile, revilement, scold, scolding, sermon,
   set down, set straight, spank, spanking, straighten out, take down,
   take to task, talking-to, tick, tongue-lashing, upbraid,
   upbraiding, what for, wig

Rebuke >> R Words
Rebuke, definition of term: Rebuke
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