LATIN DICTIONARYLexicon Latīnum
suffix

-uus

-uus
Classical[u.ʊs]Ecclesiastical[u.us]

Meaning

  1. morphemeforms adjectives on verbal stems
    contiguus, succiduus, vacuus

Origins

Inherited from Proto-Italic *-wos, from Proto-Indo-European *-wós.

Quick answers

What does -uus mean in Latin?
-uus, a suffix, means “forms adjectives on verbal stems”.
How do you pronounce -uus?
In classical Latin, [u.ʊs]; in ecclesiastical (church) Latin, [u.us].