Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ĭn-oppĭdātus, a, um, adj., that has no town, not dwelling in a town (late Lat.): Gabalitani sparsi, inoppidati, Sid. Ep. 5, 13; cf.: inoppidatus ἀοίκητος, Gloss. Philox.