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penicillin Synonyms
Another word for penicillin
Choosing another word for penicillin that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
• noun (Context 1)
An antibiotic or group of antibiotics produced naturally by certain blue molds of the genus Penicillium or synthesized chemically, widely used to treat bacterial infections by inhibiting the formation of bacterial cell walls.
Usage Example
"The doctor prescribed a ten-day course of antibiotic to clear up the patient's severe strep throat."
Strong
antibiotic
Weak
antibacterial
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Cite this Entry
Wordmom. (2026). Synonyms for Penicillin. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/penicillin