since : Idioms & Phrases


long since

  • adverb of the distant or comparatively distant past
    long ago; lang syne.
    • We met once long ago
    • they long ago forsook their nomadic life
    • left for work long ago
    • he has long since given up mountain climbing
    • This name has long since been forgotten
    • lang syne" is Scottish
WordNet

since a long time ago

  • adverb since long ago
    from way back.
    • she knows him from way back
WordNet