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
clean out (someone) or clean (someone) out
to rob someone of almost everything, to steal almost everything from someone
The robber enterd the store at night and cleaned out the owners.