Advanced Characterized by excessive pride in one's knowledge or the act of behaving in a way that suggests one knows everything. Clear All
3 Example Sentences Showcasing the Meaning of 'Know-it-all'
The know-it-all scientist arrogantly dismissed his colleagues' suggestions during the research project.
The know-it-all historian refused to acknowledge alternative perspectives on the historical event.
The know-it-all computer expert belittled his colleagues, creating a tense work environment in the IT department.
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