-uus
From the Proto-Indo-European suffix *-wós‚ from the perfect active participle suffix *-wōs.
Suffix
-uus
Usage notes
- Originally forming the perfect active participle, as in ambiguus (“having wandered”), mortuus (“having died”), vacuus (“having been empty”).
- The form -vus is used after vowels, l, and r, and -uus after all other other consonants, with the exception of qu. In this last case, the form -us is used.
Pronunciation
- (Classical) IPA(key): /u.us/, [uʊs̠]
- (modern Italianate Ecclesiastical) IPA(key): /u.us/, [uːs] (stressed on the antepenult)
Declension
First/second-declension adjective.
| Number | Singular | Plural | |||||
|---|---|---|---|---|---|---|---|
| Case / Gender | Masculine | Feminine | Neuter | Masculine | Feminine | Neuter | |
| Nominative | -uus | -ua | -uum | -uī | -uae | -ua | |
| Genitive | -uī | -uae | -uī | -uōrum | -uārum | -uōrum | |
| Dative | -uō | -uō | -uīs | ||||
| Accusative | -uum | -uam | -uum | -uōs | -uās | -ua | |
| Ablative | -uō | -uā | -uō | -uīs | |||
| Vocative | -ue | -ua | -uum | -uī | -uae | -ua | |