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 definitive description of Clarus appears in a mock technical note written by Apple developer-support staffer Mark Harlan in 1989 that has long since vanished from the web. — Rob Pegoraro, PC Magazine, 17 Sep. 2026

Seven films in ten years, in a stretch of life when most directors have long since stopped working. — Jimmy Chin, HollywoodReporter, 14 Sep. 2026

Many of the pieces were missing roofs, doors or other accessories that had long since been discontinued, turning the project into a restoration challenge as much as a shopping spree. — Ashley Vega, PEOPLE, 2 Sep. 2026

Buck has long since dismounted from his high horse, but people who live in glass houses that are also occupied by Mike Darnell should probably be a bit more judicious when hucking rocks. — Anthony Crupi, Sportico.com, 28 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