un·​ster·​ile | \ ˌən-ˈster-əl How to pronounce unsterile (audio) , chiefly British -ˌī(-ə)l \

Definition of unsterile

: not free from living organisms and microorganisms : not sterile an unsterile instrument an operation done in an unsterile environment

Examples of unsterile in a Sentence

Recent Examples on the Web Hale led a project focused on eliminating maternal and neonatal tetanus, a deadly disease usually caused when the umbilical cord is cut with an unsterile instrument. Kaitlin Lange, The Indianapolis Star, "How Christina Hale attempts to win Republican voters using empathy," 28 Aug. 2020 Three former Fillakit employees said that its process was unsterile. Ryan Gabrielson, ProPublica, "The Trump Administration Paid Millions for Test Tubes — and Got Unusable Mini Soda Bottles," 18 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unsterile.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of unsterile

circa 1934, in the meaning defined above

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The first known use of unsterile was circa 1934

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Cite this Entry

“Unsterile.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsterile. Accessed 15 Apr. 2021.

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