Exact historical dictionary sense
Dangerous in Webster's 1913 dictionary
The 1913 record labels dangerous as adjective. Its source-bounded etymology and selected historical definition appear below.
[OE., haughty, difficult, dangerous, fr. OF. dangereus, F. dangereux. See Danger.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "dangerous" is labeled adjective. Its etymology is recorded as: "[OE., haughty, difficult, dangerous, fr. OF. dangereus, F. dangereux. See Danger.]" The selected historical definition says: "Attended or beset with danger; full of risk; perilous; hazardous; unsafe."