Used to express sorrow, regret, or alarm: "'Las and fearful alack—nobody can make such high claims for the people then living in Maine” ( John Gould). (interjection)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "alack" in a sentence
"Alas and alack, societal pressures are very strong, indeed."
"The peas are over and the broccoli went to flower while I was away (alack!) but the carrots and squash are just coming into their own, and the cucumbers are tiny and cute."
"But here, on this side of the world, alas and alack, the very name is a misnomer."