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

Examples

• The old house was unsettlingly quiet.
• She smiled unsettlingly, making everyone nervous.
• The movie was unsettlingly realistic.
• His behavior had changed unsettlingly over the past month.
• The forest grew unsettlingly dark as evening approached.
• The test results were unsettlingly similar to last year’s outbreak.