Synonym: olik
| Part of speech | adjective |
|---|
| Attributive form | siek |
|---|---|
| Comparative | sieker |
| Superlative | siekste |
| Catalan | malalt |
|---|---|
| Danish | syg |
| Dutch | krank; naar; ziek |
| English | ill; sick; unwell |
| English (Old English) | adlig; seoc |
| Esperanto | malsana |
| Faeroese | sjúkur |
| French | malade; malsain |
| German | krank |
| Greek | αδιάθετος |
| Hawaiian | maʻi |
| Hungarian | beteg |
| Icelandic | sjúkur; veikur |
| Italian | malato |
| Jamaican Patois | sik |
| Latin | aeger; aegrotus; gravatus |
| Low German | krank |
| Malay | sakit |
| Norwegian | syk |
| Papiamento | malo; malu |
| Polish | chory |
| Portuguese | doente; enfermo |
| Romanian | bolnav |
| Russian | больной |
| Saterland Frisian | galsterch; kroank; rotterch; säik; seer; süük |
| Scottish Gaelic | tinn |
| Sranan | siki |
| Swedish | dålig; sjuk |
| Thai | เจ็บ; เจ็บป่วย; ป่วย; ไม่สบาย |
| West Frisian | siik |