Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | irrisorius |
| Gen. | irrisorii |
| Dat. | irrisorio |
| Acc. | irrisorium |
| Abl. | irrisorio |
| Voc. | irrisorie |
| PLURIEL |
| Nom. | irrisorii |
| Gen. | irrisoriōrum |
| Dat. | irrisoriis |
| Acc. | irrisorios |
| Abl. | irrisoriis |
| Voc. | irrisorii |
| SINGULIER |
| Nom. | irrisoriă |
| Gen. | irrisoriae |
| Dat. | irrisoriae |
| Acc. | irrisoriam |
| Abl. | irrisoriā |
| Voc. | irrisoriă |
| PLURIEL |
| Nom. | irrisoriae |
| Gen. | irrisoriārum |
| Dat. | irrisoriis |
| Acc. | irrisorias |
| Abl. | irrisoriis |
| Voc. | irrisoriae |
| SINGULIER |
| Nom. | irrisorium |
| Gen. | irrisorii |
| Dat. | irrisorio |
| Acc. | irrisorium |
| Abl. | irrisorio |
| Voc. | irrisorium |
| PLURIEL |
| Nom. | irrisoria |
| Gen. | irrisoriōrum |
| Dat. | irrisoriis |
| Acc. | irrisoria |
| Abl. | irrisoriis | |