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Definition of antibacterial

antibacterial

/ˌæn.ti.bækˈtɪr.i.əl/
an · ti · bac · te · ri · al

Adverb:antibacterially
•
Plural:antibacterials
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antibacterial Lexical Profile

antibacterial Game Scores & Validity

• adjective

1

Active against bacteria; designed to destroy bacteria or suppress their growth and reproduction.

Example

"The surgeon washed her hands thoroughly with an antibacterial soap before entering the operating room."

Synonyms
View all synonyms for antibacterial

• noun

1

A chemical substance, medication, or product that destroys bacteria or inhibits their growth.

Example

"Overuse of topical antibacterials can contribute to the development of resistant strains of microbes."

Synonyms
View all synonyms for antibacterial

Word Nuance & Usage

While often used interchangeably in everyday speech, 'antibacterial' specifically targets only bacteria, whereas 'antimicrobial' is a broader term encompassing agents that act against bacteria, viruses, fungi, and parasites.

• Rhymes for antibacterial

Word Origin & Etymology

Formed in the late 19th century from the Greek prefix 'anti-' (against) and 'bacterial', ultimately deriving from the Ancient Greek 'baktērion' (small staff or rod), referring to the rod-like shape of the first observed bacteria.

Cite this Entry


Wordmom. (2026). Definition of Antibacterial. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/antibacterial
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