Word Games Pro Dictionarynonobligatory adjectivenot required by rule or law ⧉Copy definition ↗Share ▣Print / Save PDFQuick referenceWord FactsWord length13Starts withNEnds withYContainsONScrabble score19Database sourceOEWN 2025 CoreMeaningDefinitionsadjectivenot required by rule or lawSimilar wordsSynonyms nonmandatoryKeep 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 ON Words containing ON. → Ends With Y Words ending with Y. → 13 Letter Words Explore verified 13-letter words. →