Word Type

Noun

The word "penicillin" can be used as a noun.

Word Relationships

Opposites (Antonyms)

antibiotic first first antibiotic

Typical Location

cabinet medicine chest

Capable Of

destroy viruses

Derived Terms

I'm allergic to penicillin Jewish penicillin allylmercaptomethylpenicillin aminopenicillin ampicillin benzathine penicillin benzathine penicillin G benzylpenicillin carboxypenicillin cillin dimethoxyphenylpenicillin fenbenicillin isopenicillin nonpenicillin penam penicillamine penicillin G penicillin G benzathine penicillin O penicillin V penicillin VK penicillinase penicillinic penicillinic acid penicillinize penicilloic penicylinder penimepicycline pheneticillin phenoxymethyl penicillin phenoxymethylpenicillin pirbenicillin procaine penicillin propicillin sulbenicillin ureidopenicillin

Context

pharmaceutical drug

Broader Terms (Hypernyms)

antibiotic antibiotic drug

Type Of (IsA)

antibiotic antibiotic drug drug medicine prescription drug

Related Terms

active antibiotic antibiotic shot antibiotics bacteria beta lactam bread cure cures cures infections disease drug gram positive infection infections killing killing bacteria medicine mold mold medicine moldy moldy bread name narrow spectrum antibiotic pen pen sill pen something penicillium pills proper proper name shot sill specific synthesize treatment

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.