FRUSTRATINGfrustrating · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:FRUSTRATINGTier 1Ordinal153Pythagorean54Classical146Reverse144Reverse Reduction72Standard1409Final Large1409Ordinal149Reduced41Atbash351Isopsephy1964Ordinal173Abjad1410