Lewis & Short

aspernābĭlis, e, adj. [aspernor], worthy of contempt, despicable (ante- and postclass.), Att. ap. Non. p. 179, 33; Gell. 16, 8, 16; 16, 11, 3; 20, 1, 10; Arn. 6, p. 203.
Comp.: aspernabilius, Aug. Mor. Manich. 8.