1. to put out of tune; to make discordant
Usage: often used figuratively
2. to disturb the harmony or order of something
Usage: figurative

Examples

• The humidity untuned the piano strings.
• His harsh words seemed to untune the peaceful atmosphere.
• The violin became untuned after the long journey.
• The argument untuned their previously harmonious relationship.
• Temperature changes can untune musical instruments.
• The discord in the orchestra untuned the entire performance.