All possible synonyms of the word 21 as well as its hypernyms, hyponyms, antonyms, derivations, entailments, meronyms, pertainyms, domain members, similar words, verb groups, and so on...
Twenty-one, 21, xxi
- being one more than twenty
- cardinal: being or denoting a numerical quantity but not order; "cardinal numbers"
Twenty-one, 21, XXI
- the cardinal number that is the sum of twenty and one
- large integer: an integer equal to or greater than ten
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