1. to put out of tune; to make discordant or unharmonious
Usage: third person singular present tense of ‘untune’
2. to disturb the harmony or order of something
Usage: figurative use; literary

Examples

• The humidity untunes the piano strings quickly.
• He accidentally untunes his guitar when adjusting the wrong peg.
• The constant vibration untunes the instrument during transport.
• Stress untunes the delicate balance of the mind.
• The discord untunes the peaceful atmosphere of the room.
• Temperature changes untune even the best instruments.