| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | frivola | frivolaj |
| Accusative | frivolan | frivolajn |
| Czech | lehkomyslný |
|---|---|
| Dutch | frivool; lichtzinnig; wuft |
| English | frivolous |
| French | frivole |
| German | frivol; leichtfertig; leichtsinnig; lose; locker; nichtig; geringfügig |
| Portuguese | frívolo |
| Saterland Frisian | lichtfäidich |
| Spanish | frívolo |