UNSOLUBLEunsoluble · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:UNSOLUBLETier 1Ordinal121Pythagorean31Classical114Reverse122Reverse Reduction50Standard190Final Large190Ordinal73Reduced37Atbash597Isopsephy1187Ordinal125Abjad191