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

Western, for his part, had by this time recovered something of his usual bluster, and began again upon the subject of Blifil, commending his estate and his family with great earnestness, as though these considerations alone ought to have settled the matter long since. —Jay Caspian Kang, New Yorker, 2 June 2026

But others have long since disappeared, leaving behind ash, lava, tuff, and mineral-rich soils that influence some of Italy’s most compelling wines. —Layne Randolph, Forbes.com, 31 May 2026

For travelers stepping into their first Parisian pâtisserie, a few of the treats on offer might already be familiar — some famous French pastries have long since entered the world’s collective culinary lexicon. —Jen Rose Smith, CNN Money, 28 May 2026

Earlier Soviet submarines have long since been retired. —Antonio María Delgado, Miami Herald, 28 May 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for long since

• convince
• evince
• mince
• prince
• quince
• rinse
• wince