deadly
adjective
1. causing or capable of causing death
- a deadly enemy
Similar word(s): fatal, deathly, mortal
2. of an instrument of certain death
- deadly poisons
Similar word(s): fatal, lethal
3. extremely poisonous or injurious; producing venom
Similar word(s): toxic, venomous, virulent
4. involving loss of divine grace or spiritual death
- the seven deadly sins
Similar word(s): unpardonable, mortal
5. exceedingly harmful
Similar word(s): noxious, baneful, pernicious, pestilent
6. (of a disease) having a rapid course and violent effect
Similar word(s): virulent
Sentences with deadly as an adjective:
- deadly enemies
adverb
1. as if dead
Similar word(s): lifelessly
2. (used as intensives) extremely
- deadly dull
- deadly earnest
Similar word(s): deucedly, devilishly, insanely, madly
Sentences with deadly as an adverb:
- Her face suddenly became deadly white.