What does Deadly mean?

Definitions for Deadly
ˈdɛd lidead·ly

This dictionary definitions page includes all the possible meanings, example usage and translations of the word Deadly.

Princeton's WordNet

  1. deadly, deathly, mortaladjective

    causing or capable of causing death

    "a fatal accident"; "a deadly enemy"; "mortal combat"; "a mortal illness"

  2. deadly, lethaladjective

    of an instrument of certain death

    "deadly poisons"; "lethal weapon"; "a lethal injection"

  3. deadly, venomous, virulentadjective

    extremely poisonous or injurious; producing venom

    "venomous snakes"; "a virulent insect bite"

  4. deadly, mortal(a)adjective

    involving loss of divine grace or spiritual death

    "the seven deadly sins"

  5. baneful, deadly, pernicious, pestilentadjective

    exceedingly harmful

  6. deadlyadverb

    (of a disease) having a rapid course and violent effect

  7. deadly, lifelesslyadverb

    as if dead

  8. madly, insanely, deadly, deucedly, devilishlyadverb

    (used as intensives) extremely

    "she was madly in love"; "deadly dull"; "deadly earnest"; "deucedly clever"; "insanely jealous"


  1. deadlyadverb

    Fatally, mortally.

  2. deadlyadverb

    In a way which suggests death.

    Her face suddenly became deadly white.

  3. deadlyadverb


  4. deadlyadjective

    Subject to death; mortal.

  5. deadlyadjective

    Causing death; lethal.

  6. deadlyadjective

    very accurate (of aiming with a bow, firearm, etc.)

  7. deadlyadjective

    very boring

  8. deadlyadjective

    excellent, awesome, cool

  9. Etymology: deadlic (adj.), deadlice (adv.), corresponding to. Cognate with Dutch dodelijk, German tödlich.

Samuel Johnson's Dictionary

  1. Deadlyadjective

    Etymology: from dead.

    She that herself will shiver and disbranch
    From her material sap, perforce must wither,
    And come to deadly use. William Shakespeare, King Lear.

    She then on Romeo calls,
    As if that name,
    Shot from the deadly level of a gun,
    Did murther her. William Shakespeare, Romeo and Juliet.

    Dry mourning will decay more deadly bring,
    As a North wind burns a too forward Spring;
    Give sorrow vent, and let the sluices go. John Dryden, Aurengb.

    The Numidians, in number infinite, are deadly enemies unto the Turks. Richard Knolles, History of the Turks.

  2. Deadlyadverb

    Like dumb statues, or unbreathing stones,
    Star’d each on other, and look’d deadly pale. William Shakespeare, R. III.

    Young Arcite heard, and up he ran with haste,
    And ask’d him why he look’d so deadly wan. John Dryden, Fables.

    I will break Pharaoh’s arms, and he shall groan before him with the groanings of a deadly wounded man. Ez. xxx. 24.

    Mettled schoolboys set to cuff,
    Will not confess that they have done enough,
    Though deadly weary. Orrery.

    John had got an impression, that Lewis was so deadly cunning a man, that he was afraid to venture himself alone with him. John Arbuthnot, History of John Bull.

Webster Dictionary

  1. Deadlyadjective

    capable of causing death; mortal; fatal; destructive; certain or likely to cause death; as, a deadly blow or wound

  2. Deadlyadjective

    aiming or willing to destroy; implacable; desperately hostile; flagitious; as, deadly enemies

  3. Deadlyadjective

    subject to death; mortal

  4. Deadlyadverb

    in a manner resembling, or as if produced by, death

  5. Deadlyadverb

    in a manner to occasion death; mortally

  6. Deadlyadverb

    in an implacable manner; destructively

  7. Deadlyadverb



  1. Deadly

    Deadly! is a series of children's books written by Morris Gleitzman and Paul Jennings first published in 2000.

How to pronounce Deadly?

How to say Deadly in sign language?


  1. Chaldean Numerology

    The numerical value of Deadly in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of Deadly in Pythagorean Numerology is: 6

Examples of Deadly in a Sentence

  1. Neama Rahmani:

    Gascon’s statement is misleading for several reasons, the defendant was charged with assault causing great bodily injury, which isn’t a ‘strike’ under California’s three strikes law, when he could have been charged with assault with a deadly weapon, which is a strike.

  2. Cliff Pirtle:

    I was heartbroken to learn of the tragic incident on the Rust film set, having personally used a similar revolver on film sets, I know there is no space to be cavalier with these firearms. They are not props ; they are deadly weapons regardless of the context of use.

  3. Placer County:

    The message to dealers is that we are fed up, we are tired of seeing young people dying in our communities, and we will take a very aggressive approach to those who are seeking to peddle these deadly poisons in our community. And if you sell in our community and someone dies as a result, you will very likely be charged with murder.

  4. A. W. Tozer:

    The vague and tenuous hope that God is too kind to punish the ungodly has become a deadly opiate for the consciences of millions.

  5. Bryson DeChambeau:

    Absolutely horrible news today of the deadly car accident involving the University of Southwest golf teams, i want to extend my deepest condolences to the families involved in the tragedy. I know this is absolutely devastating.

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Translations for Deadly

From our Multilingual Translation Dictionary

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"Deadly." Definitions.net. STANDS4 LLC, 2023. Web. 1 Apr. 2023. <https://www.definitions.net/definition/Deadly>.

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    of surpassing excellence
    • A. suspicious
    • B. hatched
    • C. cosmopolitan
    • D. brilliant

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