Advanced Displaying a self-centered attitude characterized by excessive confidence in one's knowledge or opinions. Clear All
2 Example Sentences Showcasing the Meaning of 'Know-it-all'
The know-it-all chef refused to take any suggestions from the kitchen staff, believing their culinary expertise surpassed everyone else's.
The know-it-all mechanic insisted that he was the only one who could fix the car, ignoring input from other experienced technicians.
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