Wear is a common English verb with multiple meanings:
1. To have clothing, jewelry, etc. on your body: "She wears a red dress today."
2. To become thinner or weaker because of use: "The soles of my shoes have worn down."
3. To show a particular expression on your face: "He wears a big smile."
4. To accept or tolerate something: "I can't wear his bad attitude anymore."
As a noun, wear refers to:
1. The act of wearing something: "This shirt is for evening wear."
2. Damage caused by use: "The carpet shows signs of wear."