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

Word History

Etymology

marathon

Dictionary Entries Near -athon

Cite this Entry

“-athon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-athon. Accessed 24 Feb. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!