LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

opicus

opicus (feminine opica, neuter opicum)
Classical[ˈɔ.pɪ.kʊs]Ecclesiastical[ˈɔː.pi.kus]

Meaning

  1. adjectivederogatorystupid, ignorant, barbarous

Declension

singular
formmasculinefeminineneuter
nominativeopicusopicaopicum
genitiveopicīopicaeopicī
dativeopicōopicaeopicō
accusativeopicumopicamopicum
ablativeopicōopicāopicō
vocativeopiceopicaopicum
plural
formmasculinefeminineneuter
nominativeopicīopicaeopica
genitiveopicōrumopicārumopicōrum
dativeopicīsopicīsopicīs
accusativeopicōsopicāsopica
ablativeopicīsopicīsopicīs
vocativeopicīopicaeopica

ŏpĭcus, a, um, adj. a fuller form for Opsus, Obscus, and Oscus, lit. Oscan; cf. Paul. ex Fest. p. 188 Müll.; hence, transf.,
I. clownish, rude, stupid, ignorant, foolish (not in Cic.): (Graeci) nos quoque dictitant barbaros et spurcius nos quam alios opicos appellatione foedant, M. Cato ap. Plin. 29, 1, 7, § 14: ut nostri opici putaverunt, Gell. 13, 9, 4: chartae, rough, coarse, unpolished, Aus. Prof. 22: amica, Juv. 6, 454: opici mures, barbarians of mice, that gnaw books, id. 3, 207.

Origins

Borrowed from Ancient Greek Ὀπικός (Opikós, “Oscan; barbarous”), from Ὀπῐκοί (Opĭkoí, “the Oscans”).

Quick answers

What does opicus mean in Latin?
opicus, a adjective, means “stupid, ignorant, barbarous”.
How do you pronounce opicus?
In classical Latin, [ˈɔ.pɪ.kʊs]; in ecclesiastical (church) Latin, [ˈɔː.pi.kus].