THICKHEADEDthickheaded · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:THICKHEADEDTier 1Ordinal78Pythagorean51Classical76Reverse219Reverse Reduction57Standard538Final Large538Ordinal70Reduced16Atbash275Isopsephy86Ordinal68Abjad1141