Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | opstupidus |
| Gen. | opstupidi |
| Dat. | opstupido |
| Acc. | opstupidum |
| Abl. | opstupido |
| Voc. | opstupide |
| PLURIEL |
| Nom. | opstupidi |
| Gen. | opstupidōrum |
| Dat. | opstupidis |
| Acc. | opstupidos |
| Abl. | opstupidis |
| Voc. | opstupidi |
| SINGULIER |
| Nom. | opstupidă |
| Gen. | opstupidae |
| Dat. | opstupidae |
| Acc. | opstupidam |
| Abl. | opstupidā |
| Voc. | opstupidă |
| PLURIEL |
| Nom. | opstupidae |
| Gen. | opstupidārum |
| Dat. | opstupidis |
| Acc. | opstupidas |
| Abl. | opstupidis |
| Voc. | opstupidae |
| SINGULIER |
| Nom. | opstupidum |
| Gen. | opstupidi |
| Dat. | opstupido |
| Acc. | opstupidum |
| Abl. | opstupido |
| Voc. | opstupidum |
| PLURIEL |
| Nom. | opstupida |
| Gen. | opstupidōrum |
| Dat. | opstupidis |
| Acc. | opstupida |
| Abl. | opstupidis | |