nightful noun 2adjective 1forms 4 noun2 •All that occurs or is done during a single night.Interpreting dreams was interpreting dreamers, finding what function was performed for the dreamer by specific dreams, or by nightsful of dreams, or by a dream series. — 1970 •As much as is produced or consumed throughout an entire night.Some people are affected more by two glasses of beer than others by a nightful of Scotch and sodas. — 1946 adjective1 •Pertaining to the night; occurring at night, found at night, resulting from the night, night-like, etc.Fatigue, and want of strength from recent sickness: The ague's touch, that now recurs beneath These nightful dews. — 1847 formsnightfuls · nightsful · more nightful · most nightful