1

quadragenarian

noun quad·ra·ge·nar·i·an \ˌkwädrəjə̇ˈna(a)rēən\

Definition of quadragenarian

plural

-s

  1. :  a person who is 40 or more and less than 50 years old

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of quadragenarian

Latin quadragenarius of forty, forty years old (from quadrageni forty each—from quadraginta forty—+ -arius -ary) + English -an, noun suffix


2

quadragenarian

adjective quad·ra·ge·nar·i·an

Definition of quadragenarian

  1. :  40 or between 40 and 50 years old

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Seen and Heard

What made you want to look up quadragenarian? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to cast off or become cast off

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ