oblīvĭōsus
a, um, adj.
I.
Lit., that easily forgets, forgetful, oblivious (rare but class.): hos (senes) significat credulos, obliviosos, Cic. Sen. 11, 36.—Sup.: homo obliviosissimus, Tert. Anim. 24.—
II.
Transf., that produces forgetfulness, oblivious (poet.): Massicus (i. e. sollicitudinum oblivionem afferens), Hor. C. 2, 7, 21.