| Czech | neznámý |
| 汉语 | 不明 , 不明+的 , 未知 |
| 英语 | unknown 13 ( ⊳ ⊳ ⇔ ) |
| Indonesian | belum diketahui |
| Italian | incognito , sconosciuto , ignoto |
| 日语 | 不詳 , 名もない , 不明 , 名も無い |
| Malaysian | belum diketahui |
| See also: | inglorious unacknowledged unfamiliar |
| Similar to: | undiscovered undiagnosed unheard-of unbeknown little-known chartless unidentified |
| Antonym: | known |
| Semantic Field: | alla |