Articles of underwear, especially those of a woman or girl.
More example sentences
- She pulled off her camisole and undies and exchanged them for fresh underwear and a cute summer dress.
- Test drive new undies before you commit to buying a wardrobe of them.
- Is there anyplace that sells nice cotton undies with a leg that comes to around mid-thigh?
early 20th century: abbreviation.
Definition of undies in:
- The US English dictionary