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Related to head off: head out
head someone or something off
Fig. to intercept and divert someone or something. I think I can head her off before she reaches the police station. I hope we can head off trouble. We can head it off. Have no fear.
head somebody/something offalso head off somebody/something
to stop the movement of people or animals by getting in front of them The horses broke into a gallop, and Pete yelled for Jack to head them off.
head off somethingalso head something off
to avoid something bad by doing something now The UN Security Council is hoping to head off further violence.
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.
1. To depart for some destination: She's heading off to New York City next week. He headed off for the mountains for his annual vacation.
2. To intercept or divert someone or something: Try to head them off before they get home. The sheriff headed off the gangsters at the pass.
3. To block the progress or completion of something: The town headed off the attempt to build another mall. The city council wanted to pass a restrictive zoning ordinance, but the mayor headed them off.