1. made excessively tight or taut; tightened beyond the appropriate or safe degree

1. past tense and past participle of overtighten; to tighten something excessively or more than necessary

Examples

• The bolt was overtightened, which caused the metal to crack.
• She overtightened the jar lid and couldn't open it later.
• The guitar strings were overtightened and snapped during tuning.
• Don't overtighten the screws or you'll strip the threads.
• The overtightened belt caused the machine to malfunction.
• He overtightened the clamp, damaging the delicate wood.
• The overtightened knot was impossible to untie.