an·​ti·​bac·​te·​ri·​al | \ ˌan-tē-bak-ˈtir-ē-əl How to pronounce antibacterial (audio) , ˌan-ˌtī- How to pronounce antibacterial (audio) \

Definition of antibacterial

: directed or effective against bacteria antibacterial soap an antibacterial drug

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Other Words from antibacterial

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 Each hydrocolloid sticker is infused with an effective blend of exfoliating salicylic acid and antibacterial tea tree oil to speed up the healing process and protect yourself from picking your blemishes. Sarah Han, Allure, 24 Sep. 2021 The spacious fridge has features like an antibacterial top refrigerator cabinet; a 1.7 cu. Adrienne Jordan, Better Homes & Gardens, 2 June 2021 Instead of alcohol, many dog itch relief sprays contain ingredients similar to human antibacterial sprays, such as Bactine. Michael Pollick,, 30 Mar. 2021 A year ago, there was a shortage of antibacterial wipes and other cleaning supplies as suppliers struggled to keep up with panic purchasing, Galanti said, according to a transcript of his Thursday earnings call with analysts. Greg Lamm, Anchorage Daily News, 25 Sep. 2021 Chemical methods, such as antibacterial soap, can increase the resistance of bacteria and decrease the efficiency of our immune response, but antimicrobial materials are different. Simon Hill, Wired, 2 July 2021 Garlic also contains antibacterial and antifungal properties. Jennifer Rude Klett, Milwaukee Journal Sentinel, 17 Aug. 2021 The antibacterial cloths are activated with water and are designed to remove makeup and dirt gently for the ultimate cleansing experience intended to leave your skin glowing. Essence, 6 Aug. 2021 An increase in bacteria can lead to breakouts, which is largely why dermatologists recommend treatments with antibacterial ingredients like salicylic acid and benzoyl peroxide. Gabi Thorne, Allure, 22 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antibacterial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of antibacterial

1879, in the meaning defined above

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Time Traveler for antibacterial

Time Traveler

The first known use of antibacterial was in 1879

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Dictionary Entries Near antibacterial



antiballistic missile

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Statistics for antibacterial

Last Updated

17 Oct 2021

Cite this Entry

“Antibacterial.” Dictionary, Merriam-Webster, Accessed 23 Oct. 2021.

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English Language Learners Definition of antibacterial

: able to kill bacteria


an·​ti·​bac·​te·​ri·​al | \ ˌant-i-bak-ˈtir-ē-əl How to pronounce antibacterial (audio) , ˌan-ˌtī- How to pronounce antibacterial (audio) \

Medical Definition of antibacterial

 (Entry 1 of 2)

: directed or effective against bacteria



Medical Definition of antibacterial (Entry 2 of 2)

: an antibacterial agent

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Thesaurus: All synonyms and antonyms for antibacterial


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