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.
In this world, the severance procedure literally splits the mind into work and non-work compartments, resulting in employees who live dual existences: one governed by the sterile demands of corporate productivity and the other shrouded in personal mystery. Benjamin Laker, Forbes, 21 Mar. 2025 Like many other hybrid plants, African blue basil is sterile, which helps to explain its extravagant flowering; when a plant does not form seeds, there is more energy to devote purely to flowering. Joshua Siskin, Orange County Register, 14 Mar. 2025 This is a sterile, forgettable little movie that has quickly come to function more as a time capsule than a salient bit of commentary, but there’s something valuable about the sobriety of its perspective. David Ehrlich, IndieWire, 14 Mar. 2025 The transaction aims to combine Endo's generics and sterile injectables business with Mallinckrodt's generics business. Quartz Intelligence Newsroom, Quartz, 13 Mar. 2025 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 26 Mar. 2025.

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

More from Merriam-Webster on sterile

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