quadragenarian

/ˌkwɑdɹəd͡ʒɪˈnɛɹiən/

Etymology

From Latin quadrāgēnārius (“containing 40”) + -an, either directly or via French quadragénaire, from Latin quadrāgēnus (“40 each”) + -ārius (“-ary”), from quadrāgintā (“four tens, forty”). Cognate with quadragenary, quadragenarious, and quadragene.

quadragenarian means of or related to fortysomethings. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

adj

Of or related to fortysomethings.

noun

Synonym of fortysomething: a person between 40 and 49 years old.