deadly Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "deadly" - English Dictionary

See all translations

deadlyadjective

uk   us   /ˈded.li/

deadly adjective (VERY DANGEROUS)

B2 likely to cause death: a deadly virus a deadly weapon
More examples

deadly adjective (COMPLETE)

complete or extreme: They have been deadly enemies ever since Mark stole Greg's girlfriend.

deadly adjective (BORING)

informal extremely boring: The party was deadly.

deadlyadverb

uk   us   /ˈded.li/
C1 completely or extremely: I thought she was joking but she was deadly serious.
(Definition of deadly from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of deadly?
Add Cambridge dictionaries to your browser to your website

Definitions of “deadly” in other dictionaries

Word of the Day
social security

a system of payments made by the government to people who are ill, poor, or who have no job

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

responsible luxury noun
responsible luxury noun
August 03, 2015
high-end, green tourism and hospitality Jumeirah’s ‘responsible luxury’ approach is an example of a sustainable travel experience – future guests will enjoy the environment as much as today’s.

Read More