1 wear (someone) out or wear out (someone) : to make (someone) tired

• All that work in the yard yesterday really wore me out.
• She was worn out [=exhausted] from exercising.

2 wear out or wear (something) out or wear out (something) : to become thinner, weaker, or no longer useful because of use or to cause (something) to become thinner, weaker, or no longer useful because of use

• The tires wore out after 60,000 miles.
• You’ll wear out your shoes doing that.

— often used as (be) worn out

• The tape is worn out.