| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | arbitra | arbitraj |
| Accusative | arbitran | arbitrajn |
| Catalan | arbitrari |
|---|---|
| Czech | libovolný; svévolný |
| Dutch | arbitrair; eigenmachtig; willekeurig |
| English | arbitrary; despotic |
| Faeroese | hissini; tilvildarligur |
| Finnish | mielivaltainen |
| French | arbitraire |
| German | beliebig; eigenmächtig; willkürlich; arbiträr; unumschränkt; launenhaft; Willkür‐ |
| Hungarian | tetszőleges |
| Italian | arbitrario |
| Latin | arbitrarius |
| Portuguese | arbitrário; discrionário |
| Russian | произвольный |
| Saterland Frisian | oaienmächtich; wilküürelk |
| Spanish | arbitrario |