Webster's Revised Unabridged Dictionary · 1913

Woe

Woe , noun

[Old English wo, wa, woo, Anglo-Saxon , interj.; akin to Dutch wee, Old Saxon & Old High German , German weh, Icelandic vei, Danish vee, Swedish ve, Gothic wai; compare Latin vae, Greek {not transcribed}. r128. Compare Wail.]

1.
Grief; sorrow; misery; heavy calamity.
Thus saying, from her side the fatal key, Sad instrument of all our woe, she took. — Milton
[They] weep each other's woe. — Pope
2.
A curse; a malediction.
Can there be a woe or curse in all the stores of vengeance equal to the malignity of such a practice? — South
O! woe were us alive [i.e., in life]. — Chaucer
Woe unto him that striveth with his Maker! — Isa. xlv. 9
Woe worth the chase, woe worth the day, That costs thy life, my gallant gray! — Sir W. Scott

Woe is used in denunciation, and in exclamations of sorrow. “ Woe is me! for I am undone.”

Collocations (1)
Woe worth , Woe be to. See Worth, v. i.

Woe , adjective

Woeful; sorrowful. [Obsolete]
His clerk was woe to do that deed. — Robert of Brunne
Woe was this knight and sorrowfully he sighed. — Chaucer
And looking up he waxed wondrous woe. — Spenser