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bacterium Synonyms

Another word for bacterium

Choosing another word for bacterium that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
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• noun (Context 1)

A member of a large domain of unicellular prokaryotic microorganisms that have cell walls but lack a membrane-bound nucleus and organelles, typically taking spherical, rodlike, or spiral shapes, and including both beneficial species and disease-causing pathogens.

Strong
microbe
germ
microorganism
bacillus
Weak
pathogen

• Nearby Words

bacopa
bacterial
bactericide
bacterium
bactrian camel
bad
badass

Cite this Entry

Wordmom. (2026). Synonyms for Bacterium. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/bacterium
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