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Definitions

antibacterial

[an-tee-bak-teer-ee-uhl, an-tahy-] / ˌæn ti bækˈtɪər i əl, ˌæn taɪ- /
ADJECTIVE
antiseptic
Synonyms
STRONGEST
hygienic sterile
STRONG
antibiotic clean disinfectant prophylactic
WEAK
aseptic bactericidal germ-destroying germ-free germicidal medicated pure purifying sanitary sterilized sterilizing unpolluted
Antonyms
STRONGEST
dirty
WEAK
contaminated polluted unclean unsanitary unsterile

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Studies support these claims, showing that probiotics like Lactobacillus can help with acne by producing antibacterial compounds that inhibit C. acnes and by reducing inflammation.

From Slate • Feb. 22, 2025

Same with coconut oil, which has antibacterial properties that could help reduce dark spots and tighten skin.

From Salon • Jan. 25, 2025

Building on previous work, researchers in ACS Infectious Diseases have demonstrated a potential antibacterial treatment from a modified darobactin, a compound originally from a bacterium.

From Science Daily • Nov. 20, 2024

All four plants showed antibacterial activity against at least one multidrug-resistant strain of the bug, E. coli.

From BBC • Sep. 11, 2024

If antibacterial soap creates super germs like they say, what if toxic tenting creates super insects?

From "Challenger Deep" by Neal Shusterman