adj.
1.causing or capable of causing death
2.of an instrument of certain death
3.extremely poisonous or injurious
4.involving loss of divine grace or spiritual death
5.exceedingly harmful
6.(of a disease) having a rapid course and violent effect deadly adv.
1.as if dead
2.as if produced by death
3.(used as intensives) extremely
Idiom of the Day
drown (someone) out or drown out (someone)
to make so much noise that it is impossible to hear someone
The cheering fans drowned out the team captain.