eveningful adjective 1noun 1forms 4 adjective1 •Occurring during or designed for the evening.He still liked the prim eveningful place, except for the Hotel La Grande. — 1938 noun1 •An amount that lasts an evening.There's many an hour's helpful instruction in dainty needlework, eveningsful of absorbing fiction by the great writers — dinners and luncheons, scores of them. — 1902 formseveningfuls · eveningsful · more eveningful · most eveningful