Synonyms of sterile

sterile

adjective

ˈster-əl 

1

as in barren

not able to produce fruit or offspring

sterile couples sometimes choose to adopt needy children

the apple tree turned out to be sterile, never yielding a crop of apples

Synonyms & Similar Words

• barren
• sterilized
• infertile
• impotent
• unfruitful
• fruitless
• altered
• neutered
• emasculated
• castrated
• unproductive
• spayed
• desexed
• gelded

Antonyms & Near Antonyms

• fertile
• fat
• fruitful
• productive
• rich
• prolific
• luxuriant
• enriched
• pregnant
• fecund
• impregnated
• potent
• bearing
• fertilized
• producing
• yielding
• flourishing
• bursting
• blooming
• teeming
• swarming

2

as in sanitary

free from filth, infection, or dangers to health

the hospitals in the war-torn city often lack necessary drugs and sterile surgical supplies

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of sterile

The Sacramento-Yolo Mosquito and Vector Control District released 144,000 sterile male mosquitoes in Rosemont on Tuesday to combat the invasive Aedes aegypti population. — Sacbee.com, 11 July 2026

For years, the only factory breeding sterile flies in the Western Hemisphere was in Panama, but the USDA invested $21 million to convert a site in southern Mexico from breeding fruit flies to recently start breeding screwworm flies. — John Hanna, Chicago Tribune, 10 July 2026

For years, the only factory breeding sterile flies in the Western Hemisphere was in Panama, but the USDA invested $21 million to convert a site in southern Mexico from breeding fruit flies to recently start breeding screwworm flies. — John Hanna, Fortune, 8 July 2026

Two hundred fifty years and two days into the American experiment, a 55-year-old bespectacled bald man from Liverpool enters a sterile hotel conference room in Atlanta, shaking his head. — Charlie Warzel, The Atlantic, 8 July 2026