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

The frantic search for survivors has long since yielded to the grim spectacle of excavators clearing ruins. — Mery Mogollón, Los Angeles Times, 14 Aug. 2026

Her life has long since withdrawn into unfulfilling days at home. — Mark Sappenfield, Christian Science Monitor, 14 Aug. 2026

Most Deep Purple fans had long since given up any hope of seeing the band ever share a stage with founding guitarist Ritchie Blackmore again, due to a well-know, decades-long estrangement. — Chris Willman, Variety, 13 Aug. 2026

Barry Eggers, co-founder of Lightspeed Venture Partners, has chaired the advisory board for years, even though his own children have long since graduated. — Amanda Gerut, Fortune, 12 Aug. 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