unchallenged

adjective

un·​chal·​lenged ˌən-ˈcha-lənjd 

: not questioned, disputed, or opposed : not challenged

an unchallenged assumption

unchallenged authority

… modes of thinking that have gone unchallenged since the time of Newton, Descartes, and even Aristotle.

—James Bailey

Examples of unchallenged in a Sentence

Recent Examples on the Web

One performance endures a half-century later, a record so unchallenged through the years that even its owner’s faulty memory cannot erase it. —Scott M. Reid, Oc Register, 25 Apr. 2026

Then came the 2025 election in which Trustees Maya Hardy, Erin Slone and Theresa Settles were unchallenged winners. —Jerry Shnay, Chicago Tribune, 20 Apr. 2026

In San Diego, in a city without a team in the NFL, NBA or NHL, the Padres are virtually unchallenged for dollars from fans and corporate sponsors. —Bill Shaikin, Los Angeles Times, 17 Apr. 2026

The safety of our citizens, our way of life and preservation of Western civilization take precedence over hate speech, which would go unchallenged and unchecked. —Sun Sentinel Editorial Board, Sun Sentinel, 16 Apr. 2026

Word History

First Known Use

circa 1639, in the meaning defined above