21


Definition: Meaning of, 21 in English to English dictionary.

Pronunciation: / /

  • adjective
  • synonym
  • antonym
Word Forms:
Positive Comparative Superlative
N/A N/A N/A
  1. being one more than twenty
    SYNONYM
    ANTONYM
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synonym
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  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
21 21s
  1. the cardinal number that is the sum of twenty and one
    SYNONYM
    ANTONYM
    Not found!
synonym
antonym

21 used in phrases

  • June 21 (noun)
    1. june 21, when the sun is at its northernmost point
  • atomic number 21 (noun)
    1. a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite
  • trisomy 21 (noun)
    1. a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
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