Meaning & use

fight off

verb·Everyday

Last updated

UK/ˌfaɪt ˈɒf/
US/ˌfaɪt ˈɔːf/

Meanings

  1. verbtransitive

    To defend yourself against someone or something that is attacking you, and make them go away.

    Grammar: Takes an object: fight off an attacker. The object can go between fight and off: fight an attacker off.

    Patterns

    • fight off someone/something
    • fight someone/something off

    The guard fought off two men who tried to rob the store.

    She fought off the dog with a stick and ran to safety.

    He had to fight off the urge to scream.

  2. verbtransitive

    To try hard to stop yourself from getting an illness or to get rid of an illness.

    Grammar: Takes an object, often an illness or infection: fight off a cold.

    Patterns

    • fight off an illness
    • fight off an infection
    • fight off a cold

    She took vitamin C to fight off the flu.

    His body fought off the infection without antibiotics.

    I drank lots of water to fight off a headache.

Word forms

third person singularfights off
past tensefought off
past participlefought off
-ing formfighting off

Common combinations

fight off an infection
The medicine helped him fight off the infection quickly.
fight off sleep
She drank coffee to fight off sleep during the night shift.
fight off an attacker
He managed to fight off the attacker and call the police.

Synonyms and how they differ

repel
More formal and often used for physical attacks or insects; 'fight off' is more general and can also mean resisting illness.
resist
Focuses on not giving in to something, like temptation or disease; 'fight off' suggests active struggle to make it go away.

Opposites

give insuccumb

Word family

fight verb
To use physical force or arguments against someone.
fighter noun
A person who fights, especially in a sport or war.

Commonly confused: fight off or fight out?

fight off vs fight out

'Fight out' means to settle a disagreement by fighting or arguing until there is a winner, while 'fight off' means to defend against something.

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