dangerous
1. [ adjective ] involving or causing danger or risk; liable to hurt or harm
Synonyms: unsafe
Examples:

"a dangerous criminal" "a dangerous bridge" "unemployment reached dangerous proportions"

Related terms: safe parlous harmful hazardous treacherous desperate on_the_hook self-destructive mordacious chancy insidious breakneck vulnerable insecure
2. [ adjective ] causing fear or anxiety by threatening great harm
Synonyms: serious grave severe grievous life-threatening
Examples:

"a dangerous operation" "a grave situation" "a grave illness" "grievous bodily harm" "a serious wound" "a serious turn of events" "a severe case of pneumonia" "a life-threatening disease"

Related terms: critical
3. [ adjective ] causing fear or anxiety by threatening great harm
Synonyms: serious grave severe grievous
Examples:

"a dangerous operation" "a grave situation" "a grave illness" "grievous bodily harm" "a serious wound" "a serious turn of events" "a severe case of pneumonia"

Related terms: critical
Similar spelling:   dangerously
  danger
  Dansereau
  Danser
  Danker
  dancer
  Dankert
  Dangerfield
  danger_zone
  danger_line