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

nonplus \non"plus`\, v. t. imp.  p. p. nonplusedor
   nonplussed; p. pr.  vb. n. nonplusing or nonplussing.
   to puzzle; to confound; to perplex; to cause to stop by
   embarrassment.
   1913 webster

         he has been nonplused by mr. dry's desiring him to tell
         what it was that he endeavored to prove. --spectator.
   1913 webster
see also:
nonplused nonplussed nonplusing nonplussing 

[2] : WordNet (r) 2.0

nonplus
     v : be a mystery or bewildering to; "this beats me"; "got me--i
         don't know the answer"; "a vexing problem"; "this
         question really stuck me" syn: perplex, vex, stick,
          get, puzzle, mystify, baffle, beat, pose, bewilder,
          flummox, stupefy, gravel, amaze, dumbfound
     also: nonplussing, nonplusses, nonplussed
see also:
perplex vex stick get puzzle mystify 
baffle beat pose bewilder flummox 
stupefy gravel amaze dumbfound nonplussing 
nonplusses nonplussed 

[3] : WordNet (r) 2.0

nonplussed
     adj : filled with bewilderment; "at a loss to understand those
           remarks"; "puzzled that she left without saying
           goodbye" syn: at a lossp, nonplused, puzzled
see also:
at a lossp nonplused puzzled 

[4] : WordNet (r) 2.0

nonplussed
     see nonplus
see also:
nonplus 

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

26 moby thesaurus words for "nonplussed":
   addled, at a loss, at a nonplus, at a stand, at a standstill,
   at an impasse, baffled, bamboozled, beat, bewildered, buffaloed,
   confounded, dazed, floored, fuddled, in a dilemma, in suspense,
   licked, muddled, mystified, on tenterhooks, perplexed, puzzled,
   stuck, stumped, thrown

Nonplussed >> N Words
Nonplussed, definition of term: Nonplussed
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