deadly

Adjective · Adverb
Synonyms: deathlymortallethalvenomousvirulentmortal(a)banefulperniciouspestilentlifelesslymadlyinsanely

WordNet 3.0

Adjective (6)

  1. causing or capable of causing death“a fatal accident”“a deadly enemy”“mortal combat”“a mortal illness”Synonyms: deathlymortal
  2. of an instrument of certain death“deadly poisons”“lethal weapon”“a lethal injection”Synonyms: lethal
  3. extremely poisonous or injurious; producing venom“venomous snakes”“a virulent insect bite”Synonyms: venomousvirulent
  4. involving loss of divine grace or spiritual death“the seven deadly sins”Synonyms: mortal(a)
  5. exceedingly harmfulSynonyms: banefulperniciouspestilent
  6. (of a disease) having a rapid course and violent effect

Adverb (2)

  1. as if deadSynonyms: lifelessly
  2. (used as intensives) extremely“she was madly in love”“deadly dull”“deadly earnest”“deucedly clever”“insanely jealous”Synonyms: madlyinsanelydeucedlydevilishly
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Webster's Dictionary (GCIDE)

deadly \dead"ly\, a.

1.Capable of causing death; mortal; fatal; destructive; certain or likely to cause death; as, a deadly blow or wound. [1913 Webster]

2.Aiming or willing to destroy; implacable; desperately hostile; flagitious; as, deadly enemies. [1913 Webster]

Thy assailant is quick, skillful, and deadly.— Shak.[1913 Webster]

3.Subject to death; mortal. [Obs.] [1913 Webster]

The image of a deadly man.— Wyclif (Rom. i. 23).[1913 Webster]

Deadly nightshade (Bot.), a poisonous plant; belladonna. See under Nightshade. [1913 Webster]

deadly \dead"ly\, adv.

1.In a manner resembling, or as if produced by, death; deathly. "Deadly pale." --Shak. [1913 Webster]

2.In a manner to occasion death; mortally. [1913 Webster]

The groanings of a deadly wounded man.— Ezek. xxx. 24.[1913 Webster]

3.In an implacable manner; destructively. [1913 Webster]

4.Extremely. [Obs.] "Deadly weary." --Orrery. "So deadly cunning a man." --Arbuthnot. [1913 Webster]

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