antimicrobial

adjective

an·​ti·​mi·​cro·​bi·​al ˌan-ti-mī-ˈkrō-bē-əl 

: destroying or inhibiting the growth of microorganisms and especially pathogenic microorganisms

antimicrobial noun

Examples of antimicrobial in a Sentence

Recent Examples on the Web

Pure Copper Charm, which comes in two adorable shapes, a heart or star, is a natural antimicrobial and releases purifying trace copper ions into vase water. — Stephanie Osmanski, Better Homes & Gardens, 21 Aug. 2026

Compounds in these plants have anti-inflammatory or antimicrobial effects, which could boost your immune system. — Carrie Madormo, HEALTH, 19 Aug. 2026

Something similar has happened with the global antimicrobial resistance (AMR) crisis. — Peter Beyer, STAT, 18 Aug. 2026

Spray an antimicrobial bathroom disinfectant on the outside of the toilet’s tank, base, seat, flush handle, and seat hinges. — Karen Brewer Grossman, Southern Living, 17 Aug. 2026

Word History

First Known Use

1883, in the meaning defined above

Rhymes for antimicrobial

• microbial

Medical Definition

antimicrobial

1 of 2 adjective

an·​ti·​mi·​cro·​bi·​al ˌant-i-mī-ˌkrō-bē-əl 

variants also antimicrobic

-ˈkrō-bik 

: destroying or inhibiting the growth of microorganisms and especially pathogenic microorganisms

antimicrobial

2 of 2 noun

variants also antimicrobic

: an antimicrobial substance