The crossword solution for the term REBUFF; REJECTION is REFUSAL. Rebuffing or rejection is a common form of communication in which one person refuses to accept an offer, request, or suggestion from another. It can be done in a polite or abrupt manner, depending on the situation. Rejection can be used to protect oneself from potential harm or to express disagreement with someone else's opinion. Rejection can also be used to express disapproval or to set boundaries.