Noah Webster
Dangerous
DANGEROUS, adjective
1. Perilous; hazardous; exposing to loss; unsafe; full of risk; as a dangerous voyage; a dangerous experiment.
2. Creating danger; causing risk of evil; as a dangerous man; a dangerous conspiracy.
DANGEROUSLY, adverb With danger; with risk of evil; with exposure to injury or ruin; hazardously; perilously; as, to be dangerously sick; dangerously situated.