Word.ws English Dictionary

undersuit

undersuit noun: a soft undergarment worn by divers and astronauts.

Noun

undersuit (plural undersuits)

  1. A soft undergarment worn by divers and astronauts.
    • If you plan to dive all year round in the UK, you'll need a drysuit rather than a wetsuit. It won't let in water (a wetsuit traps a layer of water against the skin), but doesn't keep you warm, so you need a neoprene or membrane undersuit, too.2006 December 8, “All you need to know about: Scuba diving”, in Alan Rusbridger, editor, The Guardian, London: Guardian News & Media, →ISSN, →OCLC, archived from the original on 28 Sep 2014
  2. Any suit worn under another suit; a suit of underclothes.

Forms of undersuit

pluralundersuits

Origin of undersuit

From under- + suit.

Questions about undersuit

What does undersuit mean?
Undersuit means a soft undergarment worn by divers and astronauts.
What part of speech is undersuit?
Undersuit is a noun.
What is the plural of undersuit?
The plural of undersuit is undersuits.

Words near undersuit in the dictionary

  1. undersucking
  2. undersucks
  3. undersufficiency
  4. undersufficient
  5. undersufficiently
  6. undersuit
  7. undersuits
  8. undersulfated
  9. undersulfation
  10. undersung
  11. undersupervisor

Source and license

Adapted from Wiktionary: undersuit (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-undersuit.wav.

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