`velik(i)` — masculine animate, singular
| Case | Form |
| Nom. | velik / veliki |
| Gen. | velikog / velikoga |
| Dat. | velikom / velikome |
| Acc. animate | velikog (= gen.) |
| Acc. inanimate | velik / veliki (= nom.) |
| Instr. | velikim |
| Loc. | velikom |
`velika` — feminine, singular
| Case | Form |
| Nom. | velika |
| Gen. | velike |
| Dat. | velikoj |
| Acc. | veliku |
| Instr. | velikom |
| Loc. | velikoj |
`veliko` — neuter, singular
| Case | Form |
| Nom. | veliko |
| Gen. | velikog |
| Dat. | velikom |
| Acc. | veliko (= nom.) |
| Instr. | velikim |
| Loc. | velikom |
Plural
| Case | masc. | fem. | neut. |
| Nom. | veliki | velike | velika |
| Gen. | velikih | velikih | velikih |
| Dat./Instr./Loc. | velikim(a) | velikim(a) | velikim(a) |
| Acc. | velike | velike | velika |
Remember the main point: every adjective has 14 forms, but they all repeat. Once you learn velik, you know all the others.