Word Games Pro Dictionaryinfeasibility nounthe quality of not being doable ⧉Copy definition ↗Share ▣Print / Save PDFQuick referenceWord FactsWord length13Starts withIEnds withYContainsNFScrabble score21Database sourceOEWN 2025 CoreMeaningDefinitionsnounthe quality of not being doableSimilar wordsSynonyms unfeasibilityOpposite wordsAntonyms feasibilityKeep 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. → Starts With I Words beginning with I. → Words Containing NF Words containing NF. → 13 Letter Words Explore verified 13-letter words. →