1. in a way that makes someone feel anxious, uncomfortable, or disturbed

Examples

• The house was unnervingly quiet after the storm passed.
• She stared at him unnervingly, never blinking once.
• The test results were unnervingly similar to last year’s outbreak.
• He spoke unnervingly calmly about the dangerous situation.
• The empty playground was unnervingly still in the moonlight.
• The stranger’s smile was unnervingly wide and persistent.