Pronunciation: (out"wâr'),[key] —v.t.,-wore, -worn, -wear•ing. 1. to wear or last longer than; outlast: a well-made product that outwears its competition. 2. to exhaust in strength or endurance: The daily toil had soon outworn him. 3. to outlive or outgrow: Perhaps he will outwear those eccentricities. 4. to wear out; destroy by wearing: A child outwears clothes quickly. 5. to pass (time): trying to outwear the hours by reading.