Word.ws English Dictionary

giardia

/d͡ʒiˈɑːdɪə/US/d͡ʒiˈɑɹdiə/

giardia noun: the human intestinal parasite Giardia lamblia.

giardia: the human intestinal parasite Giardia lamblia
Image: CDC / Mahmud Tari, Public domain, via Wikimedia Commons

Noun (1)

giardia (uncountable)

  1. The human intestinal parasite Giardia lamblia.
    • Some of those that have been found in swimming pools are viruses such as hepatitis A, bacteria such as Pseudomonas aeruginosa, which can produce severe ear ache, and the parasite giardia, which can cause a nasty stomach upset.1999 July 13, Jacqui Wise, “Murky waters”, in The Guardian
    • As soon as the immune system has generated antibodies against one coat, giardia switches to another.2008 December 16, Nicholas Wade, “A Coat of Many Proteins May Be This Parasite’s Downfall”, in The New York Times, →ISSN
    Synonyms:
    lamblia
  2. Giardiasis, the disease caused by the parasite.

Noun (2) capitalized: Giardia

Giardia (uncountable)

  1. Alternative letter-case form of giardia.

Synonyms of giardia

Forms of giardia

alternative formGiardia

Origin of giardia

From the genus name Giardia.

Words formed from giardia

Questions about giardia

What does giardia mean?
Giardia means the human intestinal parasite Giardia lamblia.
What part of speech is giardia?
Giardia is a noun.
How do you pronounce giardia?
Giardia is pronounced /d͡ʒiˈɑɹdiə/ (US).

Words near giardia in the dictionary

  1. giaours
  2. Giapan
  3. Giaquinto
  4. Giaquintos
  5. Giard
  6. giardia
  7. giardial
  8. giardiases
  9. giardiasis
  10. Giardina
  11. Giardinas

Source and license

Adapted from Wiktionary: giardia (page history and authors); Giardia (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-giardia.wav.

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