Synonyms|215Antonyms|3|Broader|11Narrower|19Related|60
19
virus(noun, disease, bug, toxin, venom)
15
germ(noun, bug, toxin, venom, microorganism)
12
bacterium(noun, disease, bug, mold, leaven)
11
bug(noun, germ)
10
microbe(noun, littleness, microorganism)
9
bacillus(noun, germ, microorganism)
8
germs(noun, microorganisms)
8
microbes(noun, microorganisms)
8
microorganism(noun, microorganism)
7
animalcule(noun, littleness, microorganism)
6
bacilli(noun, microorganisms)
6
microorganisms(noun, microorganisms)
6
protozoa(noun, microorganism, microorganisms)
5
amoeba(noun, microorganism)
5
disease germ
5
dyad(noun, microorganism)
5
microspore(noun, microorganism)
5
paramecium(noun, microorganism)
5
zoospore(noun, microorganism)
4
listeria
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APASmart Define. (2016). bacteria thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bacteria/thesaurus/synonyms
ChicagoSmart Define. 2016. "bacteria thesaurus" https://smartdefine.org/bacteria/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, bacteria thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bacteria/thesaurus/synonyms>.
MLASmart Define. "bacteria thesaurus" 8 March 2016. Web. 20 September 2026. <https://smartdefine.org/bacteria/thesaurus/synonyms>