Find Antonyms

unsterilized Antonyms

Opposite of unsterilized

Because the opposite of unsterilized shifts with each meaning, the 10 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Not having been treated to destroy or remove bacteria and other living microorganisms.

Usage Example

"Using sterilized medical instruments poses a severe risk of postoperative infection."

Strongest
sterilized
sterile
aseptic
Strong
sanitized
disinfected
decontaminated

• adjective (Context 2)

Not having undergone a surgical procedure to prevent reproduction (especially of a domestic animal).

Usage Example

"The municipal animal shelter requires a refundable deposit before adopting out sterilized pets."

Strongest
sterilized
neutered
spayed
Strong
fixed
castrated

Similar words to unsterilized

Words similar to unsterilized shift depending on context. Common synonyms include:

nonsterile
unneutered
intact
unspayed
unsanitized
unaltered
uncastrated
contaminated
See all synonyms of unsterilized

• Nearby Words

unsteadily
unsteadiness
unsteady
unsterilized
unstick
unstifled
unstigmatized

Cite this Entry

Wordmom. (2026). Antonyms for Unsterilized. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/unsterilized
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