[ uhn-der-thingz ]
/ ˈʌn dərˌθɪŋz /

plural noun

women's underclothes.

Origin of underthings

1840–50; under- + things
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for underthings

  • The idea that underthings can serve any other purpose besides a purely functional one, of course, is relatively new.

  • There are her underthings—soft, frivolous, much-beribboned chemises, camisoles and petticoats.

    Book of Etiquette|Lillian Eichler
  • Her dress was not yet on, but her underthings were fully as elaborate and shimmering as any gown could hope to be.

    Linda Condon|Joseph Hergesheimer

British Dictionary definitions for underthings

/ (ˈʌndəˌθɪŋz) /

pl n

girls' or women's underwear
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012