detune /dē-tūnˈ/

1. To alter the oscillations of (violin strings, an electronic circuit, etc)
2. To reduce the performance and efficiency of (a motor-car engine)

• upbraided
• upbraider
• upbraiders
• upbraiding
• upbraidings
• upbraids
• upbrast
• upbrasted
• upbrasting
• upbrasts
• upbray
• upbrayed
• upbraying
• upbrays
• upbreak
• upbreaking
• upbreaks
• upbring
• upbringing
• upbringings
• upbroke
• upbroken
• upbrought
• upbuild
• upbuilding