Sup/sʌp/ Definition 1 of 3Pro Tip 1/2Gentle Consumption Used when someone is enjoying their drink slowly, typically with small sips. He would sup his tea as he read the morning paper. Pro Tip 2/2Old-fashioned Elegance Conveys a sense of old-world manners, as the term is archaic. She would sup her broth quietly at the Victorian tea party.