| Novial | nov-000 |
| stupid | |
| Lingwa de Planeta | art-287 | stupide |
| Sambahsa-mundialect | art-288 | stupid |
| Deutsch | deu-000 | blöd |
| Deutsch | deu-000 | dumm |
| English | eng-000 | stupid |
| Esperanto | epo-000 | malinteligenta |
| Esperanto | epo-000 | stulta |
| Nederlands | nld-000 | dom |
| Nederlands | nld-000 | stom |
| русский | rus-000 | глупый |
| русский | rus-000 | дурацкий |