unopposed
adj. B2 Upper Intermediate US //ˌənəˈpoʊzd// UK //ʌnəpˈəʊzd// un·op·posed
adj. having no one to compete against or challenge you. You use this when someone wins a race or an election because no one else tried to stop them.
adj. not having any opposition or competitors. Often used to describe a candidate who wins an election or a race without a single rival.
The candidate won the race unopposed.
The local council voted to approve the new park without any unopposed challenges from the community.
While the incumbent's victory was technically unopposed, the lack of a serious challenger raised concerns among voters about the health of the local democracy.