grateful UK /ˈɡɹeɪtf(ʊ)l/US /ˈɡɹeɪtf(ə)l/ adjective2 •glad that someone has helped you or been kind to you, and wanting to thank themI’m grateful that you helped me out. •(no longer used) Of a thing or (obsolete) person: pleasing to the mind or senses; agreeable, pleasant, welcome.[T]his is a guift / Very gratefull, I am sure of it, to expresse / The like kindnesse my selfe, that haue beene / More kindely beholding to you then any: […] — 1590 formsgratefuller · more grateful · gratefullest · most grateful