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

The seat is rated as solidly Democratic by forecasters and McAdams will face Republican Riley Owen, who ran unopposed, this November. — Phillip M. Bailey, USA Today, 24 June 2026

LePage is a former two-term governor who ran unopposed in the GOP primary. — Caitlin Yilek, CBS News, 22 June 2026

His likely successor is Andy Burnham, the former Mayor of Manchester, who may stand unopposed. — Tom Chivers, semafor.com, 22 June 2026

The move knocked all his Democratic opponents off the ballot, leaving him unopposed. — Kate Armanini, Chicago Tribune, 20 June 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