quadragenarian
noun
quad·ra·ge·nar·i·an
| \ ˌkwädrəjə̇ˈna(a)rēən\
plural -s
Definition of quadragenarian
(Entry 1 of 2)
: a person who is 40 or more and less than 50 years old
quadragenarian
adjectiveDefinition of quadragenarian (Entry 2 of 2)
: 40 or between 40 and 50 years old
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