an·ti·bac·te·ri·al | \ˌan-tē-bak-ˈtir-ē-əl, ˌan-ˌtī-\

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

Developed by New Zealand holistic trichologist Nigel Russell, this natural botanical line comes in eco-friendly packaging and is made with aloe vera and manuka honey, which is known for its soothing and antibacterial properties. Rachel Marlowe, Vogue, "This All-Green Apothecary in New Zealand Is Worth a Trek Across the Globe," 29 May 2018 This is because fragrant, antibacterial, or otherwise harsh products can wash away too much of your skin’s natural moisture, according to the Mayo Clinic. Korin Miller, SELF, "How to Know When Your Dry Skin Is Actually Eczema," 20 Apr. 2018 Aloe gel: Healing, calming and antibacterial, aloe helps repair skin and replenish lost moisture. Allison Young, Good Housekeeping, "How To Make A DIY Face Cream With Skin-Protecting Essential Oils," 15 Nov. 2017 Listerine contains several essential oils that have both antibacterial and antifungal activity. Houston Chronicle, "Old wives’ remedy helped arthritis pain," 1 July 2018 The 1990 study specifically compared tea tree oil to benzoyl peroxide, another very common antibacterial acne treatment. Ashley Weatherford, The Cut, "A Guide to Megan Markle’s Favorite Anti-Acne Oil," 13 July 2018 One intriguing possibility suggests that phytoncides, organic compounds with antibacterial properties emitted by trees, may be the cause. Richard A. Marini, San Antonio Express-News, "Massive new study review confirms nature nurtures your health," 12 July 2018 Think about washing your hands with antibacterial soap. Timothy Morton, The Atlantic, "The Hurricane in My Backyard," 8 July 2018 Some metals, such as gold and silver, have natural antibacterial properties and are used to coat certain solid items, such as medical implants. The Economist, "Making medical clothing that kills bugs," 28 June 2018

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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Last Updated

25 Sep 2018

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Time Traveler for antibacterial

The first known use of antibacterial was in 1879

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More Definitions for antibacterial


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

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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