nonplus
[verb]
Synonyms: beat, buffalo, get, stick, stump, stagger, boggle, dumbfound

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Related Idioms: put (or drive) to one's wit's end, put up a tree (or stump), throw on one's beam end
Related Words: baffle, frustrate, stymie, thwart, confound, perplex, mystify, dumbfound, overcome, throw, paralyze, confuse, flurry, fluster, muddle, rattle, faze, balk

[TahlilGaran] English Synonym Dictionary ▲

nonplus noun & verb. [nɒn'plʌs] L16.
[from Latin non plus not more, no further.]
A. noun. Pl. -sses. A state in which no more can be said or done; inability to proceed in speech or action; a state of perplexity; a standstill. Chiefly in at a nonplus, bring to a nonplus, reduce to a nonplus. L16.
■ A. Jessopp Prophets are never at a nonplus, never surprised.
■ A. Mars-Jones Abandoned members of the royal party..in a state of paralysed nonplus.
b. verb trans. Infl. -ss-. Bring (a person etc.) to a nonplus; perplex; make (a thing) ineffective or inoperative. Freq. as nonplussed ppl adjective. L16.
■ P. G. Wodehouse The spectacle..was enough to nonplus anyone.
■ N. Monsarrat It was all very well to be puzzled, but one should not be completely nonplussed.

■ nonplu'ssation noun (rare) the action of nonplussing someone; the condition of being nonplussed: M19.

[TahlilGaran] English Dictionary ▲