legionnaires' disease

noun

A form of severe pneumonia caused by legionella (bacteria of the genus Legionella).

Meanings

legionnaires' disease1

nounlegionnaires' disease (uncountable)
  1. uncountableAlternative letter-case form of Legionnaires' disease.

Legionnaires' disease2

nounLegionnaires' disease (uncountable)

alternative legionnaires' disease

  1. uncountablemedicineA form of severe pneumonia caused by legionella (bacteria of the genus Legionella).

    Legionnairesʼ disease has become more common than most people suppose.

    2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 374

    Synonyms: legionellosis, Legionnaires'

Synonyms & antonyms

nounA form of severe pneumonia caused by legionella (bacteria of the genus Legionella).

Origin

Named after the Legionnaires, the members of the American Legion, who were the first described victims of the disease.

Full word history & related roots →

Translations

Chinese Mandarin 軍團病 /军团病, 退伍軍人症 /退伍军人症
  • 軍團病 /军团病 (jūntuánbìng)infectious disease
  • 退伍軍人症 /退伍军人症 (tuìwǔjūnrénzhèng)infectious disease
  • 退伍軍人病 /退伍军人病 (tuìwǔjūnrénbìng)infectious disease
Dutch legionairsziekte
  • legionairsziekteinfectious disease
Finnish legioonalaistauti, legionelloosi
  • legioonalaistautiinfectious disease
  • legionelloosiinfectious disease
Hungarian legionáriusbetegség
  • legionáriusbetegséginfectious disease
Italian legionellosi
  • legionellosiinfectious disease
Portuguese legionela
  • legionelainfectious disease
Spanish legionela, legionelosis
  • legionelainfectious disease
  • legionelosisinfectious disease
Swedish legionärssjuka
  • legionärssjukainfectious disease
Turkish lejyoner hastalığı
  • lejyoner hastalığıinfectious disease
Cite this entry
APA

legionnaires' disease. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/legionnaires'%20disease

MLA

“legionnaires' disease.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/legionnaires'%20disease. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “legionnaires' disease,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/legionnaires'%20disease.

Source: legionnaires' disease on Wiktionary, CC BY-SA 4.0.