lang syne

(noun) past times remembered with nostalgia. Synonyms: auld langsyne, langsyne, old times, good old days.

(adv) of the distant or comparatively distant past. Synonyms: long ago, long since, lang syne. Examples: "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."

(adv) at a distant time in the past (chiefly Scottish). Synonyms: langsyne.