Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
prō̆pŭdĭōsus, a, um, adj. [propudium], shameful, disgraceful, infamous (ante- and postclass.), Plaut. Stich. 2, 2, 10: uxor, Gell. 2, 7, 20: ancilla propudiosissima, Sid. Ep. 9, 6: facinus, Arn. 5, 175: concubitus, id. 4, 149: meretrices, Min. Fel. 25, 9: mulier, App. M. 9, p. 229, 31.