COUNTERCHALLENGEcounterchallenge · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:COUNTERCHALLENGETier 1Ordinal163Pythagorean73Classical155Reverse269Reverse Reduction80Standard883Final Large883Ordinal136Reduced46Atbash486Isopsephy1669Ordinal184Abjad824