underwear

noun
UK /ˈʌndəweə/
US /ˈʌndərwer/

Clothes you wear under your other clothes, next to your skin.

She packed clean underwear for the trip.


OTHER MEANINGS

2. Clothing worn beneath outer garments for warmth.

He wore thermal underwear on the cold hike.

3. A general term for intimate apparel.

The store sells socks and underwear.

4. Protective garments worn under uniforms.

Soldiers are issued fresh underwear.