From rōbur (“a kind of hard oak; hardness, strength”) + -tus.
rōbustus (feminine rōbusta, neuter rōbustum, comparative rōbustior, superlative rōbustissimus); first/second-declension adjective
First/second-declension adjective.
Number | Singular | Plural | |||||
---|---|---|---|---|---|---|---|
Case / Gender | Masculine | Feminine | Neuter | Masculine | Feminine | Neuter | |
Nominative | rōbustus | rōbusta | rōbustum | rōbustī | rōbustae | rōbusta | |
Genitive | rōbustī | rōbustae | rōbustī | rōbustōrum | rōbustārum | rōbustōrum | |
Dative | rōbustō | rōbustō | rōbustīs | ||||
Accusative | rōbustum | rōbustam | rōbustum | rōbustōs | rōbustās | rōbusta | |
Ablative | rōbustō | rōbustā | rōbustō | rōbustīs | |||
Vocative | rōbuste | rōbusta | rōbustum | rōbustī | rōbustae | rōbusta |