| Singular | Plural | |
|---|---|---|
| Nominativ | sumptuosus, sumptuosa, sumptuosum | sumptuosae, sumptuosi, sumptuosa |
| Genitiv | sumptuosae, sumptuosi, sumptuosi | sumptuosarum, sumptuosorum, sumptuosorum |
| Dativ | sumptuosae, sumptuoso, sumptuoso | sumptuosissimae, sumptuosissimi, sumptuosissimus, sumptuosis |
| Akkusativ | sumptuosum, sumptuosam, sumptuosum | sumptuosa, sumptuosas, sumptuosos |
| Ablativ | sumptuoso, sumptuoso, sumptuosa | sumptuosissimae, sumptuosissimi, sumptuosissimus, sumptuosis |
| Vokativ | sumptuose, sumptuosa, sumptuosum | sumptuosae, sumptuosi, sumptuosa |
| Singular | Plural | |
|---|---|---|
| Nominativ | sumptuosius, sumptuosior | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | sumptuosius | — |
| Ablativ | — | — |
| Vokativ | sumptuosius, sumptuosior | — |
| Singular | Plural | |
|---|---|---|
| Nominativ | sumptuosissimus | sumptuosissimi, sumptuosissimae |
| Genitiv | sumptuosissimi, sumptuosissimi, sumptuosissimae | — |
| Dativ | sumptuosissimae | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | sumptuosissimi, sumptuosissimae |
| Grundform | |
|---|---|
| Positiv | sumptuose |
| Komparativ | — |
| Superlativ | — |