Wiktionary
abbr. (context grammar English) (abbreviation of superlative English)
Usage examples of "sup.".
I also visited the bagnios where a rich man can sup, bathe, and sleep with a fashionable courtezan, of which species there are many in London.
I shall dine, sup, and pass the night with them without asking so much as a single kiss, but if your ideas have not changed by to-morrow you will be in exactly the same position as you were a few minutes ago, and I shall not trouble you any more with my attentions.
I went to see the princess with whom I was to sup. All the company congratulated me on my good fortune in finding a lodging.
John is hungry, for it is long since he tasted proper meat, and I have promised him that to-night he shall sup. I have whispered it in his great ear, and he has purred happily like a cat.