the GNU version of the Collaborative International Dictionary of English
ad. Long since; long ago.
The Century Dictionary and Cyclopedia
n. Time long past; the days of long ago. See syne.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. of the distant or comparatively distant past
ad. at a distant time in the past (chiefly Scottish)
n. past times remembered with nostalgia
Word Usage
"“It was not Christie,” said Mary; “it was — it was a gentleman — a gentleman with a bright breastplate, like what I hae seen langsyne, when we dwelt at Avenel —”"