The difference between Deadly and Fatal

When used as adjectives, deadly means subject to death, whereas fatal means proceeding from, or appointed by, fate or destiny.

Deadly is also adverb with the meaning: fatally, mortally.

Fatal is also noun with the meaning: a fatality.

check bellow for the other definitions of Deadly and Fatal

  1. Deadly as an adjective (obsolete):

    Subject to death; mortal.

  2. Deadly as an adjective:

    Causing death; lethal.

  3. Deadly as an adjective:

    Aiming or willing to destroy; implacable; desperately hostile.

    Examples:

    "'deadly enemies"

  4. Deadly as an adjective (by extension):

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

  5. Deadly as an adjective (informal):

    Very boring.

  6. Deadly as an adjective (informal):

    Excellent, awesome, cool.

  1. Deadly as an adverb (obsolete):

    Fatally, mortally.

  2. Deadly as an adverb:

    In a way which suggests death.

    Examples:

    "Her face suddenly became deadly white."

  3. Deadly as an adverb:

    Extremely.

  1. Fatal as an adjective:

    Proceeding from, or appointed by, fate or destiny.

  2. Fatal as an adjective:

    Foreboding death or great disaster.

  3. Fatal as an adjective:

    Causing death or destruction.

    Examples:

    "a fatal wound; a fatal disease; that fatal day; nowrap a fatal mistake"

  4. Fatal as an adjective (computing):

    Causing a sudden end to the running of a program.

    Examples:

    "a fatal error; a fatal [[exception]]"

  1. Fatal as a noun:

    A fatality; an event that leads to death.

  2. Fatal as a noun (computing):

    A fatal error; a failure that causes a program to terminate.

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