Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
nūpĕrus, a, um, adj. [nuper], late, fresh, recent (ante- and post-class.): recens captum hominem nuperum et novicium Te perdocere, Plaut. Capt. 3, 5, 60: elephanti nuperi a silvā (al. nuper), Flor. 4, 2.
Sup.: nuperrimus etiam proferebant antiquissimi, Prisc. p. 606 P.; Cod. Th. 15, 1, 4.