connoisseurly adjective 1adverb 1forms 2 adjective1 •Of, related to, or having the deep expertise in some area; characteristic of a connoisseur.His connoisseurly refinement helped him to gain our respect. adverb1 •in connoisseurly mannerHe talked about the Italian wines connoisseurly. formsmore connoisseurly · most connoisseurly