GERMICIDAL Synonyms: 84 Similar and Opposite Words

germicidal

adjective

Definition of germicidal

as in antibacterial

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of germicidal Humans have known for over a hundred years that UV radiation can kill deadly germs, and hospitals have used germicidal 254-nm UVC to sterilize objects for decades. — IEEE Spectrum, 8 Mar. 2023 Some researchers are similarly enthusiastic about the promise of germicidal lighting. — Jacob Stern, The Atlantic, 13 Oct. 2022 In those, schools could consider turning to HEPA filters or germicidal UV, Bahnfleth said. — Stephanie Gosk, NBC News, 17 Aug. 2022 Even with caution, accidental exposure of germicidal ultraviolet light can occur, leaving people at risk for painful burns and scarring. — William A. Haseltine, Forbes, 2 May 2022 See All Example Sentences for germicidal

Recent Examples of Synonyms for germicidal

Adjective

Manuka honey is known for its antibacterial and anti-inflammatory properties.

— Jenna Belhumeur, Los Angeles Times, 27 July 2026
If needed, use antibacterial wipes for surfaces, pockets, and seams.

— Louise Parks, Martha Stewart, 27 July 2026

Definition of antibacterial

Adjective

These waters are antiseptic, anti-inflammatory, and antioxidant.

— Condé Nast, Condé Nast Traveler, 10 July 2026
For otherwise healthy mouths without an active infection, daily antiseptic rinsing may be worth reconsidering in favor of standard brushing and flossing.

— Allison Palmer, Fort Worth Star-Telegram, 2 July 2026

Definition of antiseptic

Adjective

If a stronger fix is needed, talk to your doctor about getting a prescription antibiotic gel, like clindamycin, that can get rid of odor-causing bacteria.

— Helen Carefoot, Flow Space, 3 Aug. 2026
Cyclosporiasis is treated with the antibiotic trimethoprim-sulfamethoxazole (TMP-SMX), which is sold under the brand names Bactrim, Septra or Cotrim, according to the CDC.

— Finch Walker, USA Today, 30 July 2026

Definition of antibiotic

Adjective

The color grading may be warm, but the blocking and understanding of bodies reveals the film to be an aseptic exercise.

— Angelica Jade Bastién, Vulture, 3 Apr. 2026
Amanda’s mother seems to activate when given the chance to paint at a nursing home, an aseptic and terrible place for which everyone in the family seems to be awkwardly auditioning.

— Ryan Lattanzio, IndieWire, 17 Feb. 2026

Definition of aseptic

Browse Nearby Words

germfree

germicidal

germicide

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“Germicidal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/germicidal. Accessed 6 Aug. 2026.

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Synonyms of germicidal

adjective

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