'long since' definitions:

Definition of 'long since'

adverb

Of the distant or comparatively distant past; "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 [syn: long ago, long since, lang syne]

Synonyms of 'long since'

From: Moby Thesaurus

aeons ago,
ages ago,
anciently,
and night,
away back,
day after day,
early,
enduringly,
ever since,
for an age,
for life,
for long,
from away back,
from time immemorial,
hour after hour,
in ancient times,
in olden times,
in times past,
interminably,
long,
long ago,
month after month,
morning,
noon,
of old,
of yore,
persistently,
protractedly,
since,
since long ago,
since time began,
some time ago,
some time back,
the livelong day,
till doomsday,
time immemorial,
undyingly,
unendingly,
until now,
year after year,
years ago

Words containing 'long since'

since a long time ago