Definition of fight off
- They fought off the attack/attackers.
- I'm trying to fight off a cold.
: to contend in battle or physical combat
: to engage in boxing
: to put forth a determined effort
: a hostile encounter : battle, combat
: a boxing match
: a verbal disagreement : argument
: from a place or position
: at a distance in space or time
: from a course : aside
used as a function word to indicate physical separation or distance from a position of rest, attachment, or union
: to seaward of
: from the possession or charge of
: more removed or distant
: to go away : depart
: kill, murder
: competition : contest
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