1. to tighten something excessively or more than necessary
Usage: third person singular present tense of 'overtighten'

Examples

• He overtightens the bolt and strips the threads.
• She overtightens the guitar strings, risking damage to the neck.
• The mechanic warned not to overtighten the oil filter.
• When you overtighten a jar lid, it becomes difficult to open later.
• The clamp overtightens the wood, causing it to crack.
• He overtightens every screw, which can break delicate equipment.