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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Jeff Sessions went from running unopposed in a 2014 general election for Senate in Alabama to failing to break 40% of the vote in a Republican primary runoff six years later following his break with Trump. — W. James Antle Iii, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 12 Mar. 2025 In West Lakeland Township, Chairman Phillip Moosbrugger ran unopposed and received 136 votes. — Mary Divine, Twin Cities, 12 Mar. 2025 He was reelected last November after running unopposed. — Riley Beggin, USA TODAY, 5 Mar. 2025 The fact that Repay ran unopposed speaks volumes of the confidence the party has in him, Wieser said. — Alexandra Kukulka, Chicago Tribune, 3 Mar. 2025 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

Rhymes for unopposed

See All Rhymes for unopposed

Browse Nearby Words

unopposed
See all Nearby Words

Cite this Entry

“Unopposed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unopposed. Accessed 24 Mar. 2025.

Copy Citation

Share

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
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

Popular in Grammar & Usage

See More

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

The Difference Between 'i.e.' and 'e.g.'

Why is '-ed' sometimes pronounced at the end of a word?

More Commonly Misspelled Words

Words You Always Have to Look Up
See More

Popular in Wordplay

See More

Top 10 Sophisticated Insults

Flower Etymologies For Your Spring Garden

More Words with Remarkable Origins

Terroir, Oenophile, & Magnum: Ten Words About Wine

8 Words for Lesser-Known Musical Instruments
See More

Popular Features

See More

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Top 10 Sophisticated Insults

Flower Etymologies For Your Spring Garden
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
dog-in-disguise
Rhyme Disguise Quiz Pair up words that look different but sound alike.
See All