Uncontested (adjective)

Not disputed or challenged; not opposed; accepted as true or valid.

Origin:

From un- (not) + contested (disputed or challenged).

Examples:

1. The uncontested winner of the election.
2. The fact that he was the best candidate went uncontested.
3. His uncontested leadership made him a powerful figure.
4. The uncontested evidence proved his innocence.
5. The uncontested will left the estate to the sole surviving heir.