Jolly1  —adj. (-ier, -iest) 1 cheerful; merry. 2 festive, jovial. 3 colloq. Pleasant, delightful. —adv. Colloq. Very. —v. (-ies, -ied) (usu. Foll. By along) colloq. Coax or humour in a friendly way. —n. (pl. -ies) colloq. Party or celebration.  jollily adv. Jolliness n. [french jolif gay, pretty: perhaps related to *yule]