Synonyms: crazy, mad, nuts, barmy, lunatic, wild, wacky, meshugga, bonkers
| Part of speech | adjective |
|---|
| Afrikaans | kranksinnig |
|---|---|
| Catalan | boig boja; foll |
| Czech | bláznivý; šílený |
| Danish | sindssyg |
| Dutch | krankzinnig; waanzinnig |
| Esperanto | freneza |
| Faeroese | vitleysur; frá sær sjálvum |
| Finnish | hullu |
| French | agité; fou; aberrant; cinglé |
| German | wahnsinnig |
| Italian | matto |
| Latin | amens; astrosus; cerebrosus; demens; ceritus; cerritus |
| Malay | gila |
| Papiamento | loko |
| Portuguese | insano; louco |
| Russian | безумный |
| Saterland Frisian | maal; rappelich; dul; roasend; truchtroald; in sin Woan |
| Spanish | loco |
| Sranan | law |
| Swedish | dåraktig; förryckt; galen; stollig; tok; tokig; vansinnig; vriden |
| Tagalog | loko |
| Thai | บ้า |
| Turkish | çılgın |
| West Frisian | dûm; dwylsinnich; sljochtsinnich |