| Part of speech | adjective |
|---|
| Attributive form | intelligente |
|---|---|
| Comparative | intelligenter |
| Superlative | intelligentste |
| Catalan | intel·ligent |
|---|---|
| Czech | rozumný |
| Danish | intelligent |
| Dutch | bevattelijk; intelligent; knap; snugger |
| English | intelligent |
| Esperanto | inteligenta; saĝa |
| Faeroese | gløggur; skynsamur |
| Finnish | älykäs |
| French | intelligent |
| German | einsichtsvoll; intelligent; verständig; denkend; gescheit; klug; anstellig; geschickt |
| Hungarian | intelligens |
| Malay | cerdik |
| Papiamento | inteligente |
| Portuguese | inteligente |
| Russian | умный |
| Saterland Frisian | finnich; goar; klouk; kluftich; wies |
| Spanish | inteligente |
| Tagalog | matalino; marunong |
| West Frisian | yntelligint |