1. to put (a musical instrument) out of tune
2. to reduce the efficiency or performance of (a system, engine, or device) by altering its settings or calibration
Usage: technical

Examples

• The piano was detuned after being moved to the new concert hall.
• Harsh weather can detune a guitar if it is not properly stored.
• The mechanic warned that using low-octane fuel would detune the engine.
• The software update accidentally detuned the system's performance.
• If you detune the radio, you will lose the signal.
• The musician detuned the strings intentionally to create an unusual sound.