Synonyms: difficult, hard, tough
| Part of speech | adjective |
|---|---|
| Pronunciation | /ˈɑːdjʊə̯s/ |
| Hyphenation | ar·du·ous |
| Shavian alphabet | 𐑸𐑛𐑡𐑫𐑩𐑕 |
| Afrikaans | moeilik |
|---|---|
| Catalan | difícil |
| Czech | nesnadný; obtížný; těžký |
| Danish | vanskelig |
| Dutch | moeilijk; zwaar |
| Esperanto | malfacila |
| Faeroese | torførur |
| French | difficile; dur; penible |
| German | schwer; schwierig |
| Greek | δύσκολος |
| Icelandic | þungur; vandur |
| Italian | difficile; pesante |
| Low German | lastig; swår |
| Malay | sukar |
| Norwegian | vanskelig |
| Papiamento | difísil; fregá |
| Polish | trudny |
| Portuguese | afanoso; difícil; dificultoso |
| Romanian | greu |
| Saterland Frisian | kwästich; stuur |
| Scottish Gaelic | doirbh |
| Spanish | difícil |
| Swedish | mödosam; svår |
| Tagalog | mahirap |
| Thai | ยาก; ลำบาก |