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

Republican nominee Mica Arellano is running unopposed for the 15-member board that oversees statewide education matters, such as new charter schools and student learning standards. —Keri Heath, Austin American Statesman, 3 Mar. 2026

Democrat Julie Holmer ran unopposed. —Dallas Morning News, 3 Mar. 2026

Primary elections, especially in off-presidential years, are known for low turnouts, leaving the election of unopposed insiders to continue their hold on party apparatus. —Charles Selle, Chicago Tribune, 2 Mar. 2026

Newcomers challenge incumbents for nearly every seat except in the judiciary, where incumbents are often unopposed. —Sarah Cutler, Idaho Statesman, 27 Feb. 2026

Word History

First Known Use

1625, in the meaning defined at sense 1

Rhymes for unopposed

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

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