deadly


Definition: Meaning of, deadly in English to English dictionary.

Pronunciation: / ˈdɛdli /

  • adjective
  • synonym
  • antonym
Word Forms:
Positive Comparative Superlative
deadly deadlier deadliest
  1. very dangerous likely to cause death [=  lethal]
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  2. deadly enemy someone who will always be your enemy and will try to harm you as much as possible
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  3. complete complete or total
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  4. very effective causing harm in a very effective way
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  5. like death [only before noun] like death in appearance
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  • adverb
  • synonym
  • antonym
Word Forms:
Positive Comparative Superlative
deadly deadlier deadliest
  1. deadly serious/dull/boring etc very serious, dull etc
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deadly used in phrases

  • Seven Deadly Sins, the
    1. according to the Christian church in the Middle Ages, the seven most serious types of bad behaviour. The sins are PRIDE (= thinking you are better than other people), LECHERY (= too much desire for sex), ENVY (= disliking someone because they have things that you want and do not have), anger, COVETOUSNESS (= wanting someone else's wealth or possessions), GLUTTONY (= eating too much), and SLOTH (= laziness) .
  • deadly nightshade (noun)
    1. a poisonous European plant [=  belladonna]
  • deadly sin (noun)
    1. an unpardonable sin entailing a total loss of grace
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