unchallenged

Meanings

1. 1
   adj

   not questioned, disputed, or opposed

   The old assumptions about space and time remained unchallenged for centuries.

2. 2
   adj

   facing no competitor or challenger

   She finished the campaign unchallenged after her only rival withdrew.

3. 3
   adj

   not tested by difficulty, criticism, or competition

   The theory remained largely unchallenged until new evidence became available.

Formed from un- ("not") + challenged, the past participle of challenge. Challenge entered English through Old French chalenge from Latin calumnia ("false accusation, malicious charge"); the adjective developed the broader senses "questioned, opposed, or tested."

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