deadly
adj 1: causing or capable of causing death; "a fatal accident"; "a
deadly enemy"; "mortal combat"; "a mortal illness"
[syn: deathly, mortal]
2: of an instrument of certain death; "deadly poisons"; "lethal
weapon"; "a lethal injection" [syn: lethal]
3: extremely poisonous or injurious; producing venom; "venomous
snakes"; "a virulent insect bite" [syn: venomous, virulent]
4: involving loss of divine grace or spiritual death; "the
seven deadly sins" [syn: mortal(a)]
5: exceedingly harmful [syn: baneful, pernicious, pestilent]
6: (of a disease) having a rapid course and violent effect
adv 1: as if dead [syn: lifelessly]
2: as if produced by death; "deadly pale"; "a deadly paralytic
stroke"
3: (used as intensives) extremely; "she was madly in love";
"deadly dull"; "deadly earnest"; "deucedly clever";
"insanely jealous" [syn: madly, insanely, deucedly,
devilishly]
[also: deadliest, deadlier]