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deadly

 - 5 dictionary results

dead⋅ly

  [ded-lee] adjective, -li⋅er, -li⋅est, adverb
Use deadly in a Sentence
–adjective
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.
5. excessive; inordinate: deadly haste.
6. extremely accurate: Annie Oakley was a deadly shot.
–adverb
7. in a manner resembling or suggesting death: deadly pale.
8. excessively; completely: deadly dull.
Origin:
bef. 900; ME deedli(ch), OE dēadlīce. See dead, -ly

Related forms:
dead⋅li⋅ness, noun

Synonyms:
1. See fatal. 4. dull, tedious, tiresome.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To deadly
dead·ly   (děd'lē)   
adj.   dead·li·er, dead·li·est

  1. Causing or tending to cause death: deadly weapons; a deadly spill of radioactive waste products. See Synonyms at fatal.

  2. Suggestive of death: a deadly pallor.

  3. Aiming or wanting to kill; implacable: deadly enemies.

    1. Destructive in effect: gave the film a deadly review.

    2. Tending to take away vitality, effectiveness, or force: the deadly habit of procrastination.

  5. Absolute; utter: deadly concentration.

  6. Extreme or terrible: worked under deadly strain.

  7. Extremely accurate; unerring: She is a deadly shot with the bow.

  8. Dull, tedious, and boring: a deadly prose style.

adv.  

  1. So as to suggest death.

  2. To an extreme: deadly serious.

dead'li·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang Dictionary
deadly (dull)

  1. mod.
    very dull. : The lecture was deadly dull, and I went to sleep.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Legal Dictionary

Main Entry: dead·ly
Function: adjective
Inflected Forms: dead·li·er; -est
: likely to cause or capable of causing death; also : DANGEROUS 2
NOTE: Deadly and dangerous are sometimes used interchangeably, esp. in connection with weapons or instruments.
Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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Medical Dictionary

Main Entry: dead·ly
Pronunciation: 'ded-lE
Function: adjective
Inflected Forms: dead·li·er; -est
: likely to cause orcapable of causing death deadly disease> deadly poison> deadly instrument> —dead·li·ness /-n&s/ noun
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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