deadly
adjective
[ ˈdɛdli ]
• causing or able to cause death.
• "a deadly weapon"
Similar:
fatal,
lethal,
mortal,
death-dealing,
life-threatening,
dangerous,
destructive,
injurious,
harmful,
pernicious,
detrimental,
deleterious,
unhealthy,
noxious,
toxic,
poisonous,
terminal,
incurable,
untreatable,
malignant,
deathly,
nocuous,
mephitic,
baneful,
• very good; excellent.
• "it's a great town and the pubs are deadly"
deadly
adverb
• in a way resembling or suggesting death; as if dead.
• "her skin was deadly pale"
Origin:
Old English dēadlīc ‘mortal, in danger of death’ (see dead, -ly1).