|  | 
Definition of Long since
1. Adverb. Of the distant or comparatively distant past. "Lang syne" 
Definition of Long since
1. Adverb. (idiomatic) Long ago; in the (distant) past. ¹
¹ Source: wiktionary.com
|  | 
1. Adverb. Of the distant or comparatively distant past. "Lang syne" 
1. Adverb. (idiomatic) Long ago; in the (distant) past. ¹
¹ Source: wiktionary.com