un·​fer·​til·​ized | \ ˌən-ˈfər-tə-ˌlīzd How to pronounce unfertilized (audio) \

Definition of unfertilized

: not made fertile : not fertilized an unfertilized egg unfertilized soil

Examples of unfertilized in a Sentence

Recent Examples on the Web

Their reproductive system is limited, and females will be carrying far fewer unfertilized eggs in the autumn. John Timmer, Ars Technica, "Declining monarch-butterfly populations may be hard to restore," 25 June 2019 For starters, collecting unfertilized eggs is a harrowing business. Deborah Netburn, latimes.com, "How IVF might save northern white rhinos, the world's most endangered species," 4 July 2018 The unfertilized eggs become male drones that do nothing but inseminate the queen—quite literally, flying bags of semen. Ben Huberman, Longreads, "Changing of the Guard, Bee-Style," 22 Sep. 2017 Waste and unfertilized eggs left by the fish become part of the food chain, and some of the sucker fry swimming back to the lake are gobbled up by northern pike, muskie and great blue herons. Michael Hawthorne, chicagotribune.com, "Spying on suckers: Volunteers track migrations of native Great Lakes fish," 12 May 2017 This year, a team led by the Hebrew University of Jerusalem finally produced haploid human embryonic stem cells by forcing unfertilized egg cells to divide. Jonathon Keats, Discover Magazine, "Lab Divides Human Egg Cells," 19 Dec. 2016

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

See More

First Known Use of unfertilized

circa 1775, in the meaning defined above

Keep scrolling for more

Learn More about unfertilized

Statistics for unfertilized

Look-up Popularity

Time Traveler for unfertilized

The first known use of unfertilized was circa 1775

See more words from the same year

Keep scrolling for more

More Definitions for unfertilized


un·​fer·​til·​ized | \ -ˈfərt-ᵊl-ˌīzd How to pronounce unfertilized (audio) \

Medical Definition of unfertilized

: not fertilized an unfertilized egg

Comments on unfertilized

What made you want to look up unfertilized? Please tell us where you read or heard it (including the quote, if possible).


one from the Upper Peninsula of Michigan

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!