LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

oblīviōsus

oblīviōsus (feminine oblīviōsa, neuter oblīviōsum)
Classical[ɔb.liː.wiˈoː.sʊs]Ecclesiastical[ob.li.viˈɔː.s̬us]

Meaning

  1. adjectiveforgetful, oblivious
  2. adjectivewreaking forgetfulness, furthering the loss of conscience
    Oblivioso levia Massico ciboria exple, funde capacibusFill the light goblets with wine from the Massicus that wreaks forgetfulness, slop salves from big shells!23 BCE – 13 BCE, Horatius, Carmina II.7.21–23

Declension

singular
formmasculinefeminineneuter
nominativeoblīviōsusoblīviōsaoblīviōsum
genitiveoblīviōsīoblīviōsaeoblīviōsī
dativeoblīviōsōoblīviōsaeoblīviōsō
accusativeoblīviōsumoblīviōsamoblīviōsum
ablativeoblīviōsōoblīviōsāoblīviōsō
vocativeoblīviōseoblīviōsaoblīviōsum
plural
formmasculinefeminineneuter
nominativeoblīviōsīoblīviōsaeoblīviōsa
genitiveoblīviōsōrumoblīviōsārumoblīviōsōrum
dativeoblīviōsīsoblīviōsīsoblīviōsīs
accusativeoblīviōsōsoblīviōsāsoblīviōsa
ablativeoblīviōsīsoblīviōsīsoblīviōsīs
vocativeoblīviōsīoblīviōsaeoblīviōsa

oblīvĭōsus, a, um, adj. oblivio.
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.

Origins

Formed from oblīvium (“forgetfulness, oblivion”) + -ōsus (“full of, overly, prone to”), from oblīvīscor (“to forget”).

Descendants
  • Englishoblivious
  • Italianoblivioso

In English words that came into English from oblīviōsus

  • obliviousoblīviōsus

Quick answers

What does oblīviōsus mean in Latin?
oblīviōsus, a adjective, means “forgetful, oblivious; wreaking forgetfulness, furthering the loss of conscience”.
How do you pronounce oblīviōsus?
In classical Latin, [ɔb.liː.wiˈoː.sʊs]; in ecclesiastical (church) Latin, [ob.li.viˈɔː.s̬us].