if something harmful is unchecked, it is not controlled or stopped from getting worse The fire was allowed to burn unchecked. The rise in violent crime must not go unchecked. The plant will soon choke ponds and waterways if left unchecked. Tears flowed unchecked down his cheeks.
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation: unchecked