Grief; sorrow; misery; a heavy calamity; a curse. Woe worth the day, woe be to the day.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)
Deep sorrow; inconsolable grief; misery.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
Grief; misery; calamity.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (noun) (n.) (noun)

Usage examples:

Oh shame and pain: O woe is me!
- Medea of Euripedes by Euripedes
Woe to him upon whom his anger falls to- day!
- Berlin and Sans-Souci by Louise Muhlbach
Woe is me, unfortunate being!
- The History of Don Quixote, Volume II., Complete by Miguel de Cervantes Saavedra