LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

perōsus

perōsus (feminine perōsa, neuter perōsum)
Classical[pɛˈroː.sʊs]Ecclesiastical[peˈrɔː.s̬us]

Meaning

  1. activeadjectivehating, loathing, detesting, abhorring
  2. Late Latinadjectivehated, loathed, hateful, odious

Latīnē defined in Latin in our graded readers

valdē ōsus, ōdiō plēnus
perōsus -a -um — in Aeneis, ch. 21

Declension

singular
formmasculinefeminineneuter
nominativeperōsusperōsaperōsum
genitiveperōsīperōsaeperōsī
dativeperōsōperōsaeperōsō
accusativeperōsumperōsamperōsum
ablativeperōsōperōsāperōsō
vocativeperōseperōsaperōsum
plural
formmasculinefeminineneuter
nominativeperōsīperōsaeperōsa
genitiveperōsōrumperōsārumperōsōrum
dativeperōsīsperōsīsperōsīs
accusativeperōsōsperōsāsperōsa
ablativeperōsīsperōsīsperōsīs
vocativeperōsīperōsaeperōsa

pĕrōsus, a, um, v. perodi.

Origins

Perfect active participle of perōdī (“hate very much”), also analysable as an intensified form of per- + ōsus, the perfect participle of ōdī. It replaced the prefix-less form in this function by the end of the Republic.

Quick answers

What does perōsus mean in Latin?
perōsus, a adjective, means “hating, loathing, detesting, abhorring; hated, loathed, hateful, odious”.
How do you pronounce perōsus?
In classical Latin, [pɛˈroː.sʊs]; in ecclesiastical (church) Latin, [peˈrɔː.s̬us].