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

Patty Garcia, who is not related to the congressman, will face Republican Lupe Castillo, who also ran unopposed, in November. —ABC News, 17 Mar. 2026

Preckwinkle is seeking a record-tying fifth term in office leading the country's second largest county, and will face Libertarian candidate Michael Murphy in the general election in November, after Murphy ran unopposed in his party's primary. —Sabrina Franza, CBS News, 17 Mar. 2026

Cameron Davis is running unopposed for an unexpired term. —Chicago Tribune, 17 Mar. 2026

Yet voters often have little information about these offices, and incumbents frequently run unopposed. —Jodi Balma, Oc Register, 15 Mar. 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