Synonyms of aseptic

aseptic

adjective

(ˌ)ā-ˈsep-tik 

as in sterile

free from filth, infection, or dangers to health

patients with compromised immune systems must be treated in aseptic environments

Synonyms & Similar Words

• sterile
• sanitary
• hygienic
• antibiotic
• germfree
• clean
• pristine
• healthful
• antiseptic
• antibacterial
• germicidal
• microbicidal
• stainless
• immaculate
• washed
• healthy
• spotless
• unsoiled
• beneficial
• spick-and-span
• wholesome
• unsullied
• squeaky-clean
• salubrious
• unstained
• unpolluted
• salutary
• pure
• untainted
• germproof
• restorative
• purified
• bleached
• cleansed
• scrubbed
• undefiled
• whitened
• salutiferous
• taintless
• abluted

Antonyms & Near Antonyms

• unsanitary
• insanitary
• infectious
• toxic
• unhygienic
• pathogenic
• poisonous
• unsterile
• dirty
• pathogenetic
• sickening
• dusty
• unclean
• filthy
• sordid
• soiled
• stained
• foul
• muddy
• dingy
• grimy
• grubby
• unwashed
• nasty
• germy
• unhealthy
• noxious
• grungy
• unwholesome
• miasmic
• mucky
• unhealthful
• bedraggled
• polluted
• unsterilized
• uncleanly
• tainted
• sullied
• draggled
• smirched
• insalubrious
• besmirched
• defiled

Example Sentences

Recent Examples of aseptic

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

There, the friends are plunged into a hell that defies description in its mix of aseptic rationality and normalized violence. — Bartolomeo Sala, The Dial, 27 Mar. 2025

People who grow up in relatively aseptic city apartments are more likely to develop asthma and allergies than those who spend their childhoods on farms, for instance. — Lauren Leffer, Popular Science, 27 Feb. 2025

The reason is that another company, Mori-Nu, sells shelf-stable silken tofu in aseptic packages that comes in several varieties, from soft to extra-firm – while still being labeled silken. — The Washington Post, San Diego Union-Tribune, 19 Feb. 2025

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