used as a function word to indicate that two words or expressions are to be taken together or individually
language comprehension and/or productionDavid Crystal

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of and/or was in 1853

Dictionary Entries Near and/or




Cite this Entry

“And/or.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2023.

Love words? Need even more definitions?

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