BIENNIALLYbiennially · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:BIENNIALLYTier 1Ordinal103Pythagorean49Classical96Reverse167Reverse Reduction59Standard192Final Large192Ordinal84Reduced21Atbash478Isopsephy588Ordinal102Abjad194