https://www.merriam-webster.com/thesaurus/unsterilized
UNSTERILIZED Synonyms: 111 Similar and Opposite Words | Merriam-Webster Thesaurus
Synonyms for UNSTERILIZED: unsterile, unsanitary, insanitary, unwashed, uncleaned, contaminated, filthy, unclean; Antonyms of UNSTERILIZED: sanitary, hygienic,...
opposite wordsmerriam webstersynonymssimilarthesaurus
https://www.latimes.com/archives/la-xpm-1999-jul-27-me-59867-story.html
Crackdown on Owners of Unsterilized Pets Weighed - Los Angeles Times
Jul 27, 1999 - Animals: Panel considers proposal to make owning unaltered dogs and cats illegal without a costly permit and annual fee.
owners oflos angelescrackdownpetsweighed