Have dinner is a phrase that is used to describe the act of eating a meal, usually in the evening. The crossword solutions for this phrase are EAT (3 letters), SUP (3 letters), and UPS (3 letters). EAT is an action verb that means to consume food or drink. SUP is a verb that means to EAT or drink, usually in a leisurely manner. UPS is a verb that means to raise or lift something up. Together, these three words can be used to describe the act of having dinner.