verb (used with object), non·plussed or non·plused,non·plus·sing or non·plus·ing.
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Origin of nonplus
Words nearby nonplus
Example sentences from the Web for nonplus
"I know of many," he answered, with a smile, an answer which by its simplicity seemed to nonplus the Duke.Love-at-Arms|Raphael Sabatini
The renegade was a little at a nonplus, as he never had undergone the operation which he had described.The Pacha of Many Tales|Frederick Marryat
The inquiring mind is at a nonplus, and is likely to remain so.The Old Inns of Old England, Volume II (of 2)|Charles G. Harper
He finds doubts and scruples better than resolves them, and has always some argument to nonplus himself.Microcosmography|John Earle
The idea at the bottom of the piece is that the devil will carry off the wee boy if he can nonplus him.