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

Quicker Healing for Cold Sores Lemon balm has antioxidant, antimicrobial, and anti-inflammatory effects. — Wendy Wisner, Health, 23 July 2026

Experts advise against heating honey in the microwave, as the high, uneven heat can destroy raw honey’s natural antibacterial and antimicrobial properties and warp its flavor. — Heather Riske, Better Homes & Gardens, 21 July 2026

It’s made from fabrics that are tightly woven or antimicrobial and can prevent irritants from settling into the fabric. — Jen Christensen, CNN Money, 18 July 2026

An antimicrobial treatment can treat the infection, along with rest and hydration. — Beth Mole, ArsTechnica, 14 July 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