in-dēfectus

a, um, adj.
I. undiminished, unfailing, unweakened, unexhausted (post-class.): (with aeterna) vivacitas, App. de Deo Socr. p. 44, 6: (with jejunus) chamaeleon, Tert. Pall. 3.
Lewis & Short
A Latin Dictionary, 1879
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