adverb Away from a place or position
preposition In the direction away from something
To pull off a look means to successfully wear or style an outfit.
To turn off the heat means to stop cooking or simmering a dish.
To be off the mark means to be incorrect or inaccurate in financial predictions.
To turn off a device means to deactivate or power down.
To be offside in soccer means to be in a position that is against the rules.
To take off is the action of an aircraft leaving the ground.
In a professional context, 'off' can be used to indicate that someone is not working or available. For example, a writer might say 'I'm taking the day off to recharge.'
A psychologist might use 'off' to refer to a client who is not in the right mental state or is behaving unusually. They might say 'He seems a bit off today.'
A chef might use 'off' to describe food that is not fresh or has gone bad. They might say 'The fish smells off, we can't serve it.'
A software developer might use 'off' to refer to code that is not functioning correctly. They might say 'There seems to be something off in the algorithm.'
A doctor might use 'off' to describe a patient's symptoms that are abnormal or concerning. They might say 'Her blood pressure is a bit off, we need to monitor it.'