The Collaborative International Dictionary
Scelestic
Scelestic \Sce*les"tic\, a. [L. scelestus, from scelus
wickedness.]
Evil; wicked; atrocious. [Obs.] ``Scelestic villainies.''
--Feltham.
Wiktionary
scelestic
a. (context obsolete rare English) evil; wicked; atrocious