Synonyms of sterilenext
1
a
: failing to bear or incapable of producing fruit or spores
b
: failing to produce or incapable of producing offspring
a sterile hybrid
c
: incapable of germinating
sterile spores
d
of a flower : neither perfect nor pistillate
2
a
: unproductive of vegetation
a sterile arid region
b
: free from living organisms and especially pathogenic microorganisms
a sterile syringe
c
: lacking in stimulating emotional or intellectual quality : lifeless
a sterile work of art
sterilely
ˈster-ə(l)-lē How to pronounce sterile (audio)
chiefly British -ˌī(-ə)(l)-lē
adverb

Examples of sterile in a Sentence

a sterile dressing for a wound sterile couples sometimes choose to adopt needy children
Recent Examples on the Web
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.
Without that practice, both campus and life can become more insular and sterile. — Gili Malinsky, CNBC, 23 Oct. 2026 The campaign that originally eradicated screwworm relied on what’s known as the sterile insect technique. — Robert Kelly, Fortune, 22 Oct. 2026 The second stories house supplies of the metals, films, and components needed, as well as a very substantial set of HVAC equipment to keep the processes sterile, dust-free, and at the right temperature. — John Voelcker, The Verge, 12 Oct. 2026 Right now yeast fermentation is the standard method of producing heme (as leghemoglobin), but the sterile environment and industrial equipment necessary for manufacturing can be pricey. — Lila Magbilang, Scientific American, 12 Oct. 2026 See All Example Sentences for sterile

Word History

Etymology

Middle English steryle, from Latin sterilis; akin to Goth stairo barren animal, Sanskrit starī sterile cow

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of sterile was in the 15th century

Browse Nearby Words

Cite this Entry

“Sterile.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sterile. Accessed 27 Oct. 2026.

Kids Definition

sterile

adjective
1
: not able to produce fruit, crops, or offspring : not fertile
sterile soil
2
: free from microscopic living things and especially germs (as bacteria and viruses)
a sterile dressing for a wound

Medical Definition

sterile

adjective
ster·​ile
ˈster-əl, chiefly British -ˌīl
1
: failing to produce or incapable of producing offspring
a sterile hybrid
compare infertile
2
: free from living organisms and especially microorganisms
a sterile syringe
a sterile cyst
sterility noun
plural sterilities

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