verb (used with object), non·plussed or non·plused,non·plus·sing or non·plus·ing.
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Origin of nonplus
Example sentences from the Web for nonplus
The neighbor could tell no more, and Captain Putnam and the cadets were nonplused.The Putnam Hall Cadets|Arthur M. Winfield
He was nonplused, for no one answering the description of the Cunarder's passenger had landed from the Intrepid in Melbourne.Old Broadbrim Into the Heart of Australia|Author of "Old Broadbrim"
To see anyone chagrined, nonplused, or made suddenly to feel ridiculous, was to Mrs. Pell an occasion of sheer delight.The Diamond Pin|Carolyn Wells
But if they are asked how this direction may be ascertained or even imagined they are nonplused because they simply do not know.The Mystery of Space|Robert T. Browne
Something had gone wrong in the engine room, and the engineer was nonplused."Say Fellows--"|Wade C. Smith