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deadly  - definition and synonyms

 
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adjective deadly pronunciation in American English /ˈdedli/
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adjectivedeadly
comparativedeadlier
superlativedeadliest
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  1. 1
    able or likely to kill people

    This is a potentially deadly disease.

    a deadly weapon:

    The police charged him with possession of a deadly weapon.

    deadly to:

    Too many water changes can prove deadly to these delicate fish.

  2. 2
    [only before noun] complete
  3. 3
    informal very boring

    the same old deadly routine

  4. 4
    always able to achieve the intended result, effect, or purpose

    Miller is a deadly shooter from the three-point line.

  5. From our crowdsourced Open Dictionary
    5
    something that is deadly is fantastic or as good as it possibly can be

    That teacher is deadly! That was a deadly class.

    Submitted by Marg from Australia on 08/08/2009

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a type of hairstyle which has a long, thin strip of hair growing down the back of the neck

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