UNSOLVABILITYunsolvability · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:UNSOLVABILITYTier 1Ordinal181Pythagorean55Classical169Reverse170Reverse Reduction80Standard620Final Large620Ordinal125Reduced44Atbash718Isopsephy1505Ordinal164Abjad695