unopposed

adjective

un·​op·​posed ˌən-ə-ˈpōzd How to pronounce unopposed (audio)
1
: not opposed
an unopposed invasion
: having no opponent
a politician who is running for election unopposed
2
medical : being or relating to estrogen replacement therapy in which a progestin (such as medroxyprogesterone acetate) is not coadministered to reduce the potential risks (such as endometrial cancer) associated with estrogen used alone
A woman who has had her uterus removed can take the estrogen "unopposed"—that is, without the addition of progestin.Consumer Reports

Examples of unopposed in a Sentence

Recent Examples on the Web
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This year, incumbent council member Todd Tonore ran unopposed for his seat, and former Mansfield school district superintendent Jim Vaszauskas ran unopposed to replace Larry Broseh, who is stepping down after serving six terms on the City Council. Matthew Adams, Fort Worth Star-Telegram, 4 June 2026 In the upcoming midterm elections, Lahn will compete against Rob Sand, the Democratic nominee who ran unopposed in the primaries. Brittney Melton, NPR, 3 June 2026 Trustee areas 2 and 4 are also up for reelection this year, but incumbents Sharon Reichelt and Stacey Bastian are running unopposed and will retain their seats. Chaewon Chung, Sacbee.com, 3 June 2026 Councilmember Cesar Zepeda is running unopposed for reelection in District 2, covering much of the city’s western neighborhoods, from the Hilltop District to Point Richmond. Sierra Lopez, Mercury News, 3 June 2026 See All Example Sentences for unopposed

Word History

First Known Use

1625, in the meaning defined at sense 1

Time Traveler
The first known use of unopposed was in 1625

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Cite this Entry

“Unopposed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unopposed. Accessed 9 Jun. 2026.

Medical Definition

unopposed

adjective
un·​op·​posed -ə-ˈpōzd How to pronounce unopposed (audio)
: being or relating to estrogen replacement therapy in which a progestin (as medroxyprogesterone acetate) is not coadministered to reduce the potential risks (as endometrial cancer) associated with estrogen used alone
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