LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Rupilius1

Rupilius m sg (genitive Rupiliī or Rupilī)
Classical[rʊˈpɪ.li.ʊs]Ecclesiastical[ruˈpiː.li.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularPublius Rupilius, a Roman politician

Declension

declension
formsingularplural
nominativeRupilius—
genitiveRupiliī
Rupilī
—
dativeRupiliō—
accusativeRupilium—
ablativeRupiliō—
vocativeRupilī—

Rŭpĭlĭus, i, m.,
I. the name of a Roman gens. So,
A. P. Rupilius, consul with Popillius Laenas, A. U. C. 622, Cic. Lael. 11, 37; from him proceed the Leges Rupiliae, of Rupilius, Cic. Verr. 2, 2, 16, § 39; 18, § 44; 24, § 59; 50, § 125; 2, 3, 40, § 92.—
B. A. Rupilius, a physician, Cic. Clu. 63, 176.—
C. An actor in Cicero's youth, Cic. Off. 1, 31, 114.—
D. P. Rupilius Rex, a native of Prœneste, a contemporary of Horace, proscribed by Octavian, Hor. S. 1, 7, 1 Schol. Cruq.

In the Academy Smith's classical dictionaries

adjectivefirst/second-declension adjective
Rupilius2
Rupilius (feminine Rupilia, neuter Rupilium)
Classical[rʊˈpɪ.li.ʊs]Ecclesiastical[ruˈpiː.li.us]

Meaning

  1. adjectiveof or pertaining to the gens Rupilia.

Declension

singular
formmasculinefeminineneuter
nominativeRupiliusRupiliaRupilium
genitiveRupiliīRupiliaeRupiliī
dativeRupiliōRupiliaeRupiliō
accusativeRupiliumRupiliamRupilium
ablativeRupiliōRupiliāRupiliō
vocativeRupilieRupiliaRupilium
plural
formmasculinefeminineneuter
nominativeRupiliīRupiliaeRupilia
genitiveRupiliōrumRupiliārumRupiliōrum
dativeRupiliīsRupiliīsRupiliīs
accusativeRupiliōsRupiliāsRupilia
ablativeRupiliīsRupiliīsRupiliīs
vocativeRupiliīRupiliaeRupilia

In the Academy Smith's classical dictionaries

Quick answers

What does Rupilius mean in Latin?
Rupilius, a proper noun, means “a Roman nomen gentile, gens or "family name" famously held by”.
What is the genitive of Rupilius?
The genitive singular is Rupiliī. Rupilius is masculine, second declension.
How do you pronounce Rupilius?
In classical Latin, [rʊˈpɪ.li.ʊs]; in ecclesiastical (church) Latin, [ruˈpiː.li.us].