un·​der·​ground·​er ˈən-dər-ˌgrau̇n-dər How to pronounce undergrounder (audio)
: a member of the underground

Word History

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of undergrounder was in 1882

Dictionary Entries Near undergrounder

Cite this Entry

“Undergrounder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undergrounder. Accessed 23 May. 2024.

Love words? Need even more definitions?

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