Dictionary

-athon

noun combining form

Definition of -ATHON

:  event or activity lasting a long time or involving a great deal of something <talkathon>
ADVERTISEMENT

Origin of -ATHON

marathon

Browse

Next Word in the Dictionary: Athonite (adjective)Previous Word in the Dictionary: at–homenessAll Words Near: -athon
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears