If you're talking about wearing clothes:
* Remove: This is the most common opposite, meaning to take clothes off.
* Doff: A more formal or literary way of saying "remove."
* Discard: This implies throwing away the clothes.
If you're talking about the physical effects of wear:
* Repair: This means fixing something that's worn out.
* Restore: This means bringing something back to its original condition.
* Renew: This implies making something look new again.
If you're talking about the act of using something:
* Spare: This means not using something.
* Conserve: This means using something sparingly.
* Preserve: This means keeping something in good condition.
Please provide more context, and I can give you a more precise opposite!