FRILLY Meaning of FRILLY in English adj. & n.adj. (frillier, frilliest) 1 having a frill or frills. 2 resembling a frill. n. (pl. -ies) (in pl.) colloq. frilled underwear. frilliness n. Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012