UNSOLVABLEunsolvable · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:UNSOLVABLETier 1Ordinal123Pythagorean33Classical115Reverse147Reverse Reduction57Standard190Final Large190Ordinal73Reduced37Atbash597Isopsephy790Ordinal106Abjad266