Standard Lemma guide

shigella

noun · 2 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

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  • /ʃɪˈɡɛlə/
  • rhymes with -ɛlə

1

noun

Meaning 1

A bacterium in the genus Shigella, some kinds of which may cause a form of dysentery called shigellosis.

Definition source: English Wiktionary via Wiktextract

Topics: bacteriology, biology, microbiology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

rod-shaped Gram-negative enterobacteria; some are pathogenic for warm-blooded animals; can be used as a bioweapon

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: enteric bacteria, enterobacteria, enterics, entric

Narrower terms: shiga bacillus, Shigella dysentariae

History

Etymology

After Kiyoshi Shiga, the Japanese bacteriologist who studied shigella.