Standard Lemma guide

Giardia

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /d͡ʒiˈɑɹdiə/
  • Received-Pronunciation: /d͡ʒiˈɑːdɪə/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Alternative letter-case form of giardia.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The human intestinal parasite Giardia lamblia.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: lamblia

Antonyms: none provided

3

noun

Meaning 3

Giardiasis, the disease caused by the parasite.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

a suspected cause of diarrhea in humans

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: flagellate, flagellate protozoan, flagellated protozoan, mastigophoran, mastigophore

History

Etymology

From the genus name Giardia.

Across languages

Translations

7 source translations are retained for this English entry.

  • Chinese Mandarin: 賈弟蟲 /贾弟虫 (jiǎdìchóng) — human intestinal parasite
  • Finnish: giardia — human intestinal parasite
  • French: giardia intestinalis — human intestinal parasite
  • German: Lamblie — human intestinal parasite
  • Korean: 지아디아 (jiadia) — human intestinal parasite
  • Portuguese: giárdia — human intestinal parasite
  • Turkish: giyardiya — human intestinal parasite