2. To feel sorrow and regret; to repent.

Work by counsel and thou shalt not rue.

Chaucer.

Old year, we'll dearly rue for you.

Tennyson.

Rue, n. [AS. hreów. See Rue, v. t.] Sorrow; repetance. [Obs.] Shak.

Rue"ful (?), a. 1. Causing one to rue or lament; woeful; mournful;

sorrowful.