unopposed

adjective

un·​op·​posed ˌən-ə-ˈpōzd 

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

District 36 Incumbent candidate Lynn Melton, a Democrat who has served District 36 since 2023, ran unopposed in the primary. — Sofi Zeman, Kansas City Star, 5 Aug. 2026

Those two unopposed re-elections were instead approved by acclamation, a process that installed Infantino for another four years without the need for a ballot. — Philip Buckingham, New York Times, 4 Aug. 2026

The new district now stretches from Kansas City through the suburbs into the more rural parts of the state, and Cleaver is running unopposed for the Democratic nomination. — Caroline Linton, CBS News, 4 Aug. 2026

Infantino was reelected unopposed in 2019 in Paris and 2023 in Kigali, Rwanda. — Graham Dunbar, Fortune, 2 Aug. 2026

Word History

First Known Use

1625, in the meaning defined at sense 1

Rhymes for unopposed

• anastomosed
• misdiagnosed
• overexposed
• superimposed
• undecomposed
• apposed
• bulldozed
• composed
• deposed
• disclosed
• disposed
• enclosed

Medical Definition

unopposed

adjective

un·​op·​posed -ə-ˈpōzd 

: 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