long since

adverb

1
: long ago
promises long since forgotten
2
: for a long time
has long since been a devoted friend

Examples of long since in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The road to automaker profitability is littered with names that are both familiar and long since forgotten. Eileen Falkenberg-Hull, MSNBC Newsweek, 27 June 2025 Thailand in general has long since been a favorite vacation destination. Judy Koutsky, Forbes.com, 26 June 2025 Any parts of the hull that weren't quickly buried by silt have long since decomposed in the water. ArsTechnica, 24 June 2025 That factory, as well as one in Texas, has long since shut down. Sarah Zhang, The Atlantic, 27 May 2025 See All Example Sentences for long since

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of long since was in the 14th century

Browse Nearby Words

Cite this Entry

“Long since.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/long%20since. Accessed 4 Jul. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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