Definition of "nonplusses" []

• Third-person singular simple present indicative form of nonplus. (verb)

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• "I have got used to them; and the most formidable of all, the biggest bug of Metaphysics, the Problem which nonplusses the wisest heads on this Planet, has become quite a familiar companion of mine."
• "And I believe that is why you admire this experienced old professor of yours: he nonplusses his associates, knows how to put crafty questions and inveigle you into pitfalls; so you pay no attention to the fruit -- which consists in action --, but are extremely busy with the husks, and smother each other with the leaves in your debates; come now, Hermotimus, what else are you about from morning to night?"
• "Very chaste in attitude, she holds in her hand a long-stemmed lotus flower, but by a contrast that nonplusses and paralyses you the delicate shoulders support the monstrosity of a huge lioness 'head."