dangerous (
http://definr.com/dangerous)
adj 1: involving or causing danger or risk; liable to hurt or harm;
"a dangerous criminal"; "a dangerous bridge";
"unemployment reached dangerous proportions" [syn:
unsafe]
[ant:
safe]
2: causing fear or anxiety by threatening great harm; "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"
[syn:
grave,
grievous,
serious,
severe]