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

Yet much of the public has long since stopped perceiving him as such. — Katherine J. Wu, The Atlantic, 28 July 2026

The signatories appealed to the festival to double down on its 2018 pledge to achieve parity by 2020, even if the deadline has long since expired. — Melanie Goodfellow, Deadline, 27 July 2026

But Elliot’s best argument is ultimately himself—chiefly, his own vigorous libido, which his workaholic medical-student girlfriend, Minerva (a deader-than-deadpan Charli XCX), has long since lost interest in satiating. — Justin Chang, New Yorker, 24 July 2026

Both Sidney and Reg were long since dead when Pettifor first began pursuing his tip-off. — Phil Hay, New York Times, 17 July 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