Vicenarian meaning

Between the ages of 20 and 29, inclusive. In one's third decade.
adjective
2
0
A person whose age is between twenty and twenty-nine years, inclusive; someone in his or her twenties. Someone in his or her third decade.
noun
1
1
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Origin of vicenarian

  • From Latin vicenārius (“of or containing twenty”), from vigintī (“twenty”) +‎ -an

    From Wiktionary