English Reference

Word

unchallenged

Phoneticsun·chal·lenged, stress on the second syllable

US/ənˈtʃæɫɪndʒd/

UK/ʌntʃˈælɪndʒd/

Definition

adj. not being questioned or criticized by anyone. You use this to describe a situation where no one has tried to prove that something is wrong.

adj. not subject to criticism, opposition, or doubt. Often used to describe a state of being accepted as true or valid without any competing claims.

Examples

“The team's record remained unchallenged for five years.”

“The new law was passed without any unchallenged opposition from the local community.”

“For decades, the prevailing theory of the universe's origin remained unchallenged until recent astronomical data provided evidence of a different mechanism.”

Examples

simple

“The team's record remained unchallenged for five years.”

contextual

“The new law was passed without any unchallenged opposition from the local community.”

complex

“For decades, the prevailing theory of the universe's origin remained unchallenged until recent astronomical data provided evidence of a different mechanism.”

Real-World Examples

“He allowed the president’s lies to go unchallenged.”
The Guardian 21 Aug 2026
“Coburn then doubled the advantage after 50 minutes, taking advantage of poor defending to score unchallenged with a downward header from 10 yards.”
The Guardian 15 Aug 2026

Etymology

From un- + challenged.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

unchallenged(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

QR code

englishreference.com/q/unchallenged

English Reference