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List phrases that spell out xxi 

We found 15 dictionaries with English definitions that include the word xxi: Click on the first link on a line below to go directly to a page where "xxi" is defined. General (11 matching dictionaries) XXI, xxi: Vocabulary.com [home, info] xxi: Wordnik [home, info] XXI: Wiktionary [home, info] xxi: Dictionary.com [home, info] XXI: Wikipedia, the Free Encyclopedia [home, info] Xxi: Rhymezone [home, info] xxi: Free Dictionary [home, info] xxi: Mnemonic Dictionary [home, info] xxi: WordNet 1.7 Vocabulary Helper [home, info] XXI, xxi: LookWAYup Translating Dictionary/Thesaurus [home, info] XXI: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) XXI: Encyclopedia [home, info] Miscellaneous (2 matching dictionaries) XXI: Acronym Finder [home, info] XXI: AbbreviationZ [home, info] Slang (1 matching dictionary) XXI: Urban Dictionary [home, info]

Quick definitions from WordNet (Xxi) ▸ noun:  the cardinal number that is the sum of twenty and one ▸ adjective:  being one more than twenty