| Part of speech | unknown part of speech |
|---|
| Czech | improvizovat |
|---|---|
| Dutch | improviseren |
| English | ad‐lib; improvise |
| Finnish | improvisoida |
| French | improviser |
| German | improvisieren; aus dem Stegreif dichten; auf die Schnelle organisieren |
| Papiamento | improvisá |
| Saterland Frisian | improvisierje |
| Spanish | improvisar |