1. (使)磨损;(使)用坏
When something wears out or when you wear it out, it is used so much that it becomes thin or weak and unable to be used any more.

2. 使精疲力竭;使疲乏
If something wears you out, it makes you feel extremely tired.

3. （使）（感觉等）逐渐消失
If someone wears out their welcome with you, or if it wears out, they spend a lot of time with you and you are no longer happy about it. You can also say that a feeling wears out or is worn out.

4. see also: worn out

1. exhaust or get tired through overuse or great strain or stress

e.g. We wore ourselves out on this hike

Synonym: tirewear upontire outwearwearyjadeoutwearwear downfag outfagfatigue

2. deteriorate through use or stress

e.g. The constant friction wore out the cloth

Synonym: wearwear offwear downwear thin

3. go to pieces

e.g. The lawn mower finally broke
The gears wore out
The old chair finally fell apart completely

Synonym: breakwearbustfall apart