| Singular | Plural | |
|---|---|---|
| Nominativ | insidiosa, insidiosum, insidiosus | insidiosi, insidiosa, insidiosae |
| Genitiv | insidiosae, insidiosi, insidiosi | insidiosarum, insidiosorum, insidiosorum |
| Dativ | insidiosae, insidioso, insidioso | insidiosis |
| Akkusativ | insidiosum, insidiosum, insidiosam | insidiosos, insidiosa, insidiosas |
| Ablativ | insidiosa, insidioso, insidioso | insidiosis |
| Vokativ | insidiosa, insidiosum, insidiose | insidiosi, insidiosa, insidiosae |
| Singular | Plural | |
|---|---|---|
| Nominativ | insidiosior | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | insidiosior | — |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | insidiosissimo, insidiosissimo | — |
| Akkusativ | — | — |
| Ablativ | insidiosissimo, insidiosissimo | — |
| Vokativ | — | — |