- 1not doubted; accepted without question; not challenged She could not allow such a claim to go unchallenged. These ideas have remained largely unchallenged for 60 years.
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- 2(of a ruler or leader, or their position) not opposed by anyone He is in a position of unchallenged authority. an unchallenged candidate for an election
- 3without being stopped and asked to explain who you are, what you are doing, etc. I walked into the building unchallenged.
Check pronunciation: unchallenged