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From Middle English stelthe, from Old English stǣlþ, from Proto-Germanic *stēliþō[1], equivalent to steal +‎ -th. Compare Old English stalu (theft, stealth), Old High German stāla (theft), German Diebstahl (theft).


  • enPR: stĕlth, IPA(key): /stɛlθ/
  • (file)
  • Rhymes: -ɛlθ


stealth (countable and uncountable, plural stealths)

  1. (uncountable) The attribute or characteristic of acting in secrecy, or in such a way that the actions are unnoticed or difficult to detect by others.
  2. (archaic, countable) An act of secrecy, especially one involving thievery.
    • 1877, George Hill, An Historical Account of the Plantation in Ulster at the Commencement of the Seventeenth Century, M'Caw, Stevenson & Orr, page 352:
      [The King] thinks it fit[...] that restitution according to this order be made to the petitioners for stealths committed upon them last winter (273).

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The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout § Translations.


stealth (third-person singular simple present stealths, present participle stealthing, simple past and past participle stealthed)

  1. (military, computing) To conceal or infiltrate through the use of stealth.
  2. (slang, intransitive) To have sexual intercourse without a condom through deception (for example, removing the condom mid-act).



  1. (LGBT) Of a transgender person, hiding their transgender status from society after transition.
    go stealth; be stealth; live stealth
    He has been/lived stealth for 10 years.


  1. ^ stealth” in Douglas Harper, Online Etymology Dictionary, 2001–2020, retrieved 31 July 2018.