#1 wear out v. exhaust or get tired through overuse or great strain or stress; "We wore ourselves out on this hike". wn
#2 wear out v. go to pieces; "The lawn mower finally broke"; "The gears wore out"; "The old chair finally fell apart completely". wn
#3 wear out v. deteriorate through use or stress; "The constant friction wore out the cloth". wn
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