head off

verb

1. to intercept and force to change direction

   to head off the stampede

2. to prevent or forestall (something that is likely to happen)

3. to depart or set out

   to head off to school

Idioms and Phrases

Block the progress or completion of; also, intercept. For example, They worked round the clock to head off the flu epidemic, or Try to head him off before he gets home. [First half of 1800s] This expression gave rise to head someone off at the pass, which in Western films meant “to block someone at a mountain pass.” It then became a general colloquialism for intercepting someone, as in Jim is going to the boss's office—let's head him off at the pass.

Example Sentences

The stand was around one-quarter full, but the jeers seemed to drift aimlessly over Europe's number one as he cheerily waved back, before heading off down the fairway, obligingly signing autographs as he went.

From BBC

In the trailer, just before Arisu heads off to Borderland, Ann tells him he has two minutes to rejoin to the land of the living.

From Salon

She is seeking to head off a challenge from rival Lucy Powell, who has attacked "unforced errors" on welfare since being sacked from the cabinet this month.

From BBC

On New Year's Eve everyone rushes to finish their shopping and then in the evening they head off to see concerts and live bands.

From BBC

The $71-billion sale to Disney was also a way for Rupert Murdoch to head off a succession battle.

From Los Angeles Times