dilly /ˈdɪli/noun 5adjective 2forms 5 noun5 •Someone or something that is remarkable or unusual.You're the most impossible man I ever met. And I've met some dillies. — 1958 •(Australia) A dilly bag. •(old-fashioned) A kind of stagecoach.So, down thy hill, romantic Ashbourn, glides The Derby dilly, carrying six insides. — 1798 •Synonym of dilly net •(slang, no longer used) A night cart. adjective2 •(Australia) Silly; characteristic of a dill. •Redolent of dill (the herb). formsdillies · dillier · more dilly · dilliest · most dilly