Expert To arouse or excite, typically referring to heightened emotions or increased energy. Clear All
3 Example Sentences Showcasing the Meaning of 'Key Up'
The unexpected plot twist in the movie served to key up viewers' emotions, leaving them on the edge of their seats.
The passionate speech by the activist managed to key up the crowd, inspiring them to take action for change.
The suspenseful silence in the courtroom began to key up as the verdict was about to be announced.
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