bioweapon

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UK/ˈbaɪ.əʊˌwɛ.pən/US/ˈbaɪ.oʊˌwɛ.pən/

noun

Any weapon designed to be used in biological warfare.

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Meanings

nounbioweapon (plural bioweapons)

plural bioweapons · alternative bio-weapon

  1. Any weapon designed to be used in biological warfare.

    And (Wouter) Basson (who had worked on South Africa's clandestine bioweapons program) was there, too.

    2009 March 29, Olivia Ward, “The shadowy world of bioweapons”, in Toronto Star, archived from the original on 27 Dec 2011
    1 more example

    “Hey, Rick.” “Oh, hey, kiddo. How's your Saturday?” “You know, super chill. W-W-Whatcha doin'?” “Eh, nothing adventurous. You know that race of Underground Dwelling Cannibal Horse People that we're always fighting?” “Yeah, the CHUDs. W-W-What about 'em? “Well, don't tell anybody, but I'm working on a bioweapon to use against them, so I got this barrel of horse semen from your mom's hospital and I'm just gonna, you know, subject it to some otherworldly forces.”

    2021 July 11, Nick Rutherford, “Rickdependence Spray” (1:10 from the start), in Rick and Morty, season 5, episode 4, spoken by Rick Sanchez (Justin Roiland)

Synonyms & antonyms

nounany weapon usable in biological warfare

Similar

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*gʷeyh₃-
  2. Ancient Greekβῐ́ος (bĭ́os)
  3. Ancient Greekβῐο- (bĭo-)
  4. Englishbio-
  5. Proto-Germanic*wēpną
  6. Proto-West Germanic*wāpn
  7. Old Englishwēpn
  8. Middle Englishwepen
  9. Englishweapon
  10. Englishbioweapon

From bio- + weapon.

Full word history & related roots →

Translations

Arabic سِلَاح بَيُولُوجِيّ
  • سِلَاح بَيُولُوجِيّ (silāḥ bayūlūjiyy)weapon designed for use in biological warfare
Dutch biologisch wapen, biowapen
  • biologisch wapenweapon designed for use in biological warfare
  • biowapenweapon designed for use in biological warfare
Finnish bioase
  • bioaseweapon designed for use in biological warfare
French arme biologique
  • arme biologiqueweapon designed for use in biological warfare
German Biowaffe
  • Biowaffeweapon designed for use in biological warfare
Japanese 生物兵器
  • 生物兵器 (seibutsu heiki)weapon designed for use in biological warfare
Polish broń biologiczna
  • broń biologicznaweapon designed for use in biological warfare
Portuguese arma biológica
  • arma biológicaweapon designed for use in biological warfare
Russian биологи́ческое ору́жие
  • биологи́ческое ору́жие (biologíčeskoje orúžije)weapon designed for use in biological warfare
Spanish bioarma
  • bioarmaweapon designed for use in biological warfare
Swedish biovapen
  • biovapenweapon designed for use in biological warfare
Cite this entry
APA

bioweapon. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/bioweapon

MLA

“bioweapon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bioweapon. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “bioweapon,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/bioweapon.

Source: bioweapon on Wiktionary, CC BY-SA 4.0.