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View synonyms for

deadly

[ded-lee]

adjective

deadlier, deadliest 
  1. causing or tending to cause death; fatal; lethal.

    a deadly poison.

  2. aiming to kill or destroy; implacable.

    a deadly enemy.

  3. like death.

    a deadly pallor.

  4. excruciatingly boring.

    The dinner party was absolutely deadly.

    Synonyms: , ,
  5. excessive; inordinate.

    deadly haste.

  6. extremely accurate.

    Annie Oakley was a deadly shot.



adverb

  1. in a manner resembling or suggesting death.

    deadly pale.

  2. excessively; completely.

    deadly dull.

deadly

/ ˈɛɪ /

adjective

  1. likely to cause death

    deadly poison

    deadly combat

  2. informalextremely boring

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. like death in appearance or certainty

    deadly pale

    a deadly sleep

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other Word Forms

  • deadliness noun
  • nondeadly adjective
  • ˈ𲹻Ա noun
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Word History and Origins

Origin of deadly1

First recorded before 900; Middle English deedli(ch), Old English ŧī; dead, -ly
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Synonym Study

See fatal.
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Example Sentences

Examples have not been reviewed.

A survivor of Saturday's deadly attacks on two Minnesota lawmakers says she and her husband are both "incredibly lucky to be alive" after they were hit by 17 bullets.

From

Despite the frantic search under way across the region, the city of Brooklyn Park, where Rep. Hortman lived, was still and silent on Sunday morning as the neighbourhood came to terms with the deadly attack.

From

People now encounter these potentially deadly spiders, which used to be found in isolated desert areas, in urban or suburban garages and yards.

From

Little is known about the group, which has been at the centre of global headlines amid scenes of chaos and deadly incidents nearly every day as desperate Palestinians have tried to reach its sites.

From

Two shocking attacks within two hours of each other, in France and Austria, have left parents and governments reeling and at a loss how to protect school students from random, deadly violence.

From

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