deadly

Save
1 deadly /ˈdɛdli/ adjective
deadlier; deadliest
1 deadly
/ˈdɛdli/
adjective
deadlier; deadliest
Learner's definition of DEADLY
[or more deadly; most deadly]
: causing or able to cause death
compare deathly
: extremely accurate and effective
always used before a noun : extreme or complete
informal : very boring

— deadliness

noun [noncount]
deadly, mortal, fatal, and lethal mean causing or able to cause death.
deadly describes something that is very dangerous and likely or able to cause death.
mortal describes a wound or injury that has already caused death or will soon cause death.
fatal describes something that has actually caused a person's death.
lethal usually describes something like a poison that is used for the purpose of destroying life.
2 deadly /ˈdɛdli/ adverb
deadlier; deadliest
2 deadly
/ˈdɛdli/
adverb
deadlier; deadliest
Learner's definition of DEADLY
[or more deadly; most deadly]
: extremely or completely
Comments & Questions
Comments & Questions
What made you want to look up deadly? Include any comments and questions you have about this word.