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

Carbon offsets, electric vehicles, and glossy net-zero pledges are held up as solutions, while the core logic—produce more, ship further, grow faster—goes unchallenged. —Nathalie Kelley, Time, 17 June 2025

And since 2019, the venture has essentially gone unchallenged. —Eric Lagatta, USA Today, 14 June 2025

Thanks to its success winning the Cold War, the national security state has been treated almost as sacrosanct by the U.S. foreign policy establishment, with its logic and institutions going unchallenged and unchecked for decades. —Michael Singh, Foreign Affairs, 11 June 2025

As chants against authoritarianism echoed down Fifth Avenue and homemade signs called for due process and migrant rights, Mangione's effigy stood unchallenged—just another figure in one particular demonstration's crowded landscape. —Jesus Mesa, MSNBC Newsweek, 11 June 2025

Word History

First Known Use

circa 1639, in the meaning defined above