Word.ws English Dictionary

underoos

underoos noun: a set of matching briefs and top (usually a sleeveless shirt or T-shirt) themed after a superhero or other fictional character, popular with children in the 1980s.

Noun

underoos pl (plural only)

  1. (plural, plural-only) A set of matching briefs and top (usually a sleeveless shirt or T-shirt) themed after a superhero or other fictional character, popular with children in the 1980s.

Origin of underoos

A trademark of the 1970s.

Questions about underoos

What does underoos mean?
Underoos means a set of matching briefs and top (usually a sleeveless shirt or T-shirt) themed after a superhero or other fictional character, popular with children in the 1980s.
What part of speech is underoos?
Underoos is a noun.

Words near underoos in the dictionary

  1. underogatory
  2. underoil
  3. underoiled
  4. underoiling
  5. underoils
  6. underoos
  7. underoperate
  8. underoperated
  9. underoperates
  10. underoperating
  11. underoptimization

Source and license

Adapted from Wiktionary: underoos (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-underoos.wav.

Cite this entry: “underoos.” Word.ws, https://word.ws/underoos. Based on Wiktionary, CC BY-SA 4.0.