pilly noun 6adjective 2forms 3 noun6 •(informal) Pill.Billy Willy is a dilly, He took a pilly And turned silly — 1981 •(informal) Pilchard.When buying pillies look for IQF fish. — 2007 •(informal) A pillhead. •(Scotland) pillowKattie! There's another coming. Another mattress and a pilly. Where can we put him? — 1873 •(informal) The lilly-pilly.Withdrawing the smaller blade from his belt, Speezer rolled a pilly pod from the tray and sliced it open With his sharp knife. — 2001 •(informal) One who rides pillion. adjective2 •Covered in pills (particles created by mechanical wear).After many washings, my favorite sweater is faded and pilly. •Characterized by or involving many pills.Paiuline Eichstadt spent a week at home womewhat indisposed with Eddie as doctor and nursemaid. A pilly and puny vacation he spent. — 1954 formspillies · pillier · pilliest