dangerously
adv. manner B1 Intermediate US //ˈdeɪndʒɝəsɫi// UK //dˈeɪndʒəɹəsli// dan·ger·ous·ly
adv. in a way that involves a high risk of harm or injury.
adv. in a manner that presents a significant threat to safety or well-being; often used with 'close' to indicate proximity to a hazard.
The car was driving dangerously fast.
The hikers walked dangerously close to the cliff edge.
The chemical plant operated dangerously near its maximum capacity, leaving little room for error.
From dangerous + -ly.
Usage
Often modifies adjectives like 'close' or 'high' to indicate proximity to a limit.