from The American Heritage® Dictionary of the English Language, 4th Edition
- interj. Archaic Used to express regret or disapproval.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- interj. An expression of regret or grief.
from the GNU version of the Collaborative International Dictionary of English
- interj. Alack the day; alas; -- an expression of sorrow, regret, dissatisfaction, or surprise.
from The Century Dictionary and Cyclopedia
- An exclamation of sorrow or regret; alas! alas the day! Also lawka-day.
We missed the Willems portion lackaday but caught Yee and Lubar.
But, as she once sang in a flop by Walter and Jean Kerr called Goldilocks (she blames them, too), "Heigh-ho, a-lackaday."
My father, however, is a proud man, a gallant knight and tried soldier of the oldest blood, to whom this man's churlish birth and low descent ---- Oh, lackaday!
I have been living on in a thirtover, lackaday way, and have not seen what it may lead to!
My father, however, is a proud man, a gallant knight and tried soldier of the oldest blood, to whom this man's churlish birth and low descent -- -- Oh, lackaday!
See, lackaday! the lady of Dolberg's beautiful chamois skin that was to be dyed of a delicate green for her ladyship's slippers.
 The Greek translates as ‘O me, o me, lackaday’.
Alas and lackaday, they are not yet ready to distribute their best ale of the year and we didn't even get to play beer explorers.
I am not sure how lackadaisical acquired the blundering sense of ` listless, languid, careless, apathetic, 'but there are echoes of such words as lax, laxity, lack, lassitude, and maybe lazy days that must have helped to oust the ` lackaday' of the original.
"To declare that for _him_, lackaday! our thing's a pure Moretto -- and to declare as much, moreover, with all the weight of his authority, to