| Rating | Solver | Clue |
|---|---|---|
| ANONYMOUS | Unknown | |
| NAMELESS | Unknown | |
| INDETERMINATE | Unknown | |
| UNNAMED | Unknown | |
| INCOGNITO | Unknown | |
| UNSUNG | Unknown | |
| IGNOTE | Unknown. | |
| UNKNOW | Unknown. | |
| UNCOUTH | Unknown. | |
| DARKHORSE | Unknown competitor | |
| NOWHERE | Place unknown | |
| ANON | Unknown author | |
| STRANGER | Unknown people | |
| WHOSOEVER | Unknown people | |
| SOMEBODY | Unknown person | |
| UNCUTH | Unknown; strange. | |
| UNKENT | Unknown; strange. | |
| IGNORANT | Unknown; undiscovered. | |
| GLITCH | Unknown minor error | |
| NONDESCRIPT | Of unknown type | |
| QUIDAM | Somebody; one unknown. | |
| UNWIST | Not known; unknown. | |
| UNBEKNOWN | Not known; unknown. | |
| LATEX | Formerly unknown rubbery material | |
| OBSCURITY | State of being unknown | |