antibacterial

adjective

an·​ti·​bac·​te·​ri·​al ˌan-tē-bak-ˈtir-ē-əl  ˌan-ˌtī- 

: directed or effective against bacteria

antibacterial soap

an antibacterial drug

antibacterial noun

In an effort to develop new antifungals, scientists are boning up on previous research on antibacterials.

—Ellen Licking

Examples of antibacterial in a Sentence

Recent Examples on the Web

Made with waterproof, skin-safe silicone (which is naturally antibacterial), this little device is gentle on the delicate areas around your eyes and is super easy to clean. —Siena Gagliano, Allure, 13 Mar. 2025

This last ingredient may be why my oily, acne-prone skin seems to be responding so well to it: research indicates the East Asian botanical has anti-inflammatory and antibacterial effects. —Justin Fenner, Robb Report, 11 Feb. 2025

Aloe gel has antioxidant and antibacterial properties and improves overall digestive and oral health. —Joshua Siskin, Orange County Register, 21 Feb. 2025

Meanwhile, shortages of antibacterial materials can increase the risk of sepsis, pneumonia, and meningitis among newborns, Maram Al Shurafa, an aid worker for the NGO, Medical Aid for Palestinians (MAP) in Gaza, told CNN. —Ibrahim Dahman, CNN, 28 Jan. 2025

Word History

First Known Use

1879, in the meaning defined above

Rhymes for antibacterial

• biomaterial
• mycobacterial
• arterial
• bacterial
• ethereal
• funereal
• imperial
• material
• sidereal
• venereal
• cereal
• virial

Kids Definition

antibacterial

adjective

an·​ti·​bac·​te·​ri·​al

ˌant-ē-ˌbak-ˈtir-ē-əl,

ˌan-ˌtī-ˌbak-

: directed or effective against bacteria

antibacterial soap

Medical Definition

antibacterial

1 of 2 adjective

an·​ti·​bac·​te·​ri·​al ˌant-i-bak-ˈtir-ē-əl  ˌan-ˌtī- 

: directed or effective against bacteria

antibacterial

2 of 2 noun

: an antibacterial agent