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

Heartleaf is also antimicrobial, and works alongside wintergreen leaf—a natural source of beta hydroxy acid—to clear pores. — Deanna Pai, Vogue, 27 July 2026

It’s formulated with rosemary oil, which, thanks to its antimicrobial properties, can reduce dandruff and other types of scalp irritation. — Isabel Bekele, InStyle, 26 July 2026

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

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