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noun, often attributive \ˈfī(-ə)r\

Simple Definition of fire

  • : the light and heat and especially the flame produced by burning

  • : an occurrence in which something burns : the destruction of something (such as a building or a forest) by fire

  • : a controlled occurrence of fire created by burning something (such as wood or gas) in a special area (such as in a fireplace or stove)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of fire

  1. 1 a (1) :  the phenomenon of combustion manifested in light, flame, and heat (2) :  one of the four elements of the alchemists b (1) :  burning passion :  ardor (2) :  liveliness of imagination :  inspiration

  2. 2 a :  fuel in a state of combustion (as on a hearth) b British :  a small gas or electric space heater

  3. 3 a :  a destructive burning (as of a building) b (1) :  death or torture by fire (2) :  severe trial or ordeal

  4. 4 :  brilliancy, luminosity <the fire of a gem>

  5. 5 a :  the firing of weapons (as firearms, artillery, or missiles) b :  intense verbal attack or criticism c :  a rapidly delivered series (as of remarks)


play \-ləs\ adjective

on fire

  1. 1 :  being consumed by fire :  aflame

  2. 2 :  eager, burning

under fire

  1. 1 :  exposed to fire from an enemy's weapons

  2. 2 :  under attack

Examples of fire in a sentence

  1. Stay away from the fire.

  2. The shack was destroyed by a fire.

  3. Two people died in that terrible fire.

  4. How did the fire start?

  5. We warmed our hands over the fire.

  6. She built a fire in the fireplace.

  7. The fire went out and he had to light it again.

Origin and Etymology of fire

Middle English, from Old English fȳr; akin to Old High German fiur fire, Greek pyr

First Known Use: before 12th century




Simple Definition of fire

  • : to shoot a weapon

  • : to throw (something) with speed and force

  • : to give life or energy to (something or someone)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of fire



  1. transitive verb
  2. 1 a :  to set on fire :  kindle; also :  ignite <fire a rocket engine> b (1) :  to give life or spirit to :  inspire <the description fired his imagination> (2) :  to fill with passion or enthusiasm —often used with up c :  to light up as if by fire d :  to cause to start operating —usually used with up <fired up the engine>

  3. 2 a :  to drive out or away by or as if by fire b :  to dismiss from a position

  4. 3 a (1) :  to cause to explode :  detonate (2) :  to propel from or as if from a gun :  discharge, launch <fire a rocket> (3) :  shoot 1b <fire a gun> (4) :  to score (a number) in a game or contest b :  to throw with speed or force <fired the ball to first base> <fire a left jab> c :  to utter with force and rapidity

  5. 4 :  to apply fire or fuel to: as a :  to process by applying heat <fire pottery> b :  to feed or serve the fire of <fire a boiler>

  6. intransitive verb
  7. 1 a :  to take fire :  kindle, ignite b :  to begin operation :  start <the engine fired> c :  to operate especially as the result of the application of an electrical impulse <the spark plug fires>

  8. 2 a :  to become irritated or angry —often used with up b :  to become filled with excitement or enthusiasm

  9. 3 a :  to discharge a firearm <fire at close range> b :  to emit or let fly an object

  10. 4 :  to tend a fire

  11. 5 :  to transmit a nerve impulse <the rate at which a neuron fires>


play \ˈfī(-ə)r-ə-bəl, ˈfī-rə-\ adjective



Examples of fire in a sentence

  1. She fired the arrow at the target.

  2. He fired several shots at the police.

  3. He fired at the police.

  4. The gun failed to fire.

  5. The soldiers fired on the enemy.

  6. The shortstop fired the ball to first base.

  7. The angry mob fired rocks at him.

  8. The boxer fired a left jab at his opponent's chin.

  9. The story fired his imagination.

  10. She had to fire several workers.

13th Century

First Known Use of fire

13th century



Definition of FIRE

  1. finance, insurance, and real estate


biographical name \ˈfī(-ə)r\

Definition of Fire

  1. Andrew Zachary 1959–     Am. geneticist

FIRE Defined for Kids



noun \ˈfīr\

Definition of fire for Students

  1. 1 :  the light and heat and especially the flame produced by burning

  2. 2 :  fuel that is burning in a controlled setting (as in a fireplace)

  3. 3 :  the destructive burning of something (as a building)

  4. 4 :  the shooting of weapons <rifle fire>

  5. 5 :  enthusiasm

on fire

  1. :  actively burning

under fire

  1. 1 :  exposed to the firing of enemy guns

  2. 2 :  under attack




Definition of fire for Students



  1. 1 :  1shoot 2 <fire a gun>

  2. 2 :  to dismiss from employment <He was fired from his job.>

  3. 3 :  excite 1, stir <It's a story to fire the imagination.>

  4. 4 :  to subject to great heat <fire pottery>

  5. 5 :  to set off :  explode <fire a firecracker>

  6. 6 :  to set on fire <They carelessly fired the barn.>

Medical Dictionary



noun , often attributive \ˈfī(ə)r\

Medical Definition of fire

  1. :  fever or inflammation especially from a disease




Medical Definition of fire




  1. 1

  2. transitive verb

  3. :  to cause to transmit a nerve impulse

  4. 2:  to sear (the leg of a horse) with a hot iron in order to convert a crippling chronic inflammation into an acute inflammation that will stimulate the natural healing responses of the body

  5. intransitive verb

  6. :  to transmit a nerve impulse <the rate at which a neuron fires>

Seen and Heard

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to make consistent or congruous

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