Word Games Pro Dictionaryinsupportable adjectiveincapable of being justified or explained ⧉Copy definition ↗Share ▣Print / Save PDFQuick referenceWord FactsWord length13Starts withIEnds withEContainsNSScrabble score19Database sourceOEWN 2025 CoreMeaningDefinitionsadjectiveincapable of being justified or explainedSimilar wordsSynonyms indefensibleunjustifiableunwarrantableunwarrantedKeep exploringRelated Tools Word Unscrambler Build words from mixed letters. → Scrabble Finder Find playable words and scores. → Word Finder Search A–Z word lists and patterns. → Words Containing NS Words containing NS. → Ends With E Words ending with E. → 13 Letter Words Explore verified 13-letter words. →