as in know-it-all A person who acts or speaks with excessive confidence, often in a sarcastic or mocking manner. Clear All
37 Example Sentences Showcasing the Meaning of 'Wiseacre'
The wiseacre teenager, armed with sarcastic remarks, undermined his friends' enthusiasm for volunteering, questioning the impact of their efforts.
Despite the team's efforts to collaborate, the wiseacre project manager insisted on imposing his ideas, dismissing others as less innovative.
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