ˈsweetful,a. Now dial. [f. sweet a. + -ful 1; cf.grateful, sadful, strangeful.] Full of sweetness. 1589Lodge Scillaes Met. (1819) 4 And from a brier a sweetfull branch did plucke.a1825Forby Voc. E. Anglia, Sweetful, delightful; charming; full of sweets.