Origin of nonagenarianClassical Latin nonagenarius from nonageni, ninety each from nonaginta, ninety from base of noven, nine + -ginta, -ty
Origin of nonagenarianFrom Latin nōnāgēnārius from nōnāgēnī ninety each from nōnāgintā ninety nōnus ninth ; see nona- . -gintā ten times ; see dek&mlowring; in Indo-European roots.
- One who is between the age of 90 and 99, inclusive. One who is in his or her tenth decade.
- Being between the age of 90 and 99, inclusive. In one's tenth decade.
- Of or relating to a nonagenarian.
From Latin nÅnÄgÄ“nÄrius (“of the number ninety") (from nonageni (“ninety each"), from nonaginta (“ninety"), from nona- (akin to novem (“nine")) + -ginta (akin to viginti (“twenty")), + -arius) +"Ž -an