Meaning & use
fight off
Last updated
Meanings
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.
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 singular | fights off |
|---|---|
| past tense | fought off |
| past participle | fought off |
| -ing form | fighting 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
Word family
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.
Practice
Choose the correct sentence:
Choose one answer.
The phrasal verb 'fight off' takes the object after 'off' when the object is a noun phrase like 'the cold'. Option 1 is also possible but less common; option 0 is the most natural.
Make it your own
Write a sentence using “fight off”, then check it and compare it with the examples above.