What does "put off" mean regarding plans for the lunch?

The phrase "put off" commonly means to delay or postpone something. In the context of plans for lunch, it indicates that the lunch is not being canceled but rather rescheduled for a later time. This aligns directly with the choice that states the event is delayed. Understanding the nuances of this phrase is essential, as it emphasizes the action of postponing rather than eliminating it entirely or modifying its nature, which is what the other choices suggest.