Definition of nonagenarian noun from the Oxford Advanced American Dictionary

 

nonagenarian

 noun
noun
NAmE//ˌnɑnədʒəˈnɛriən//
 
, NAmE//ˌnoʊnədʒəˈnɛriən//
 
 
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a person who is between 90 and 99 years old
nonagenarianadjective
 
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