Undo : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: Undo	by the DICT Development Group
2 results for Undo
From WordNet (r) 3.0 (2006) [wn]:
undo v cancel, annul, or reverse an action or its effect; "I wish I could undo my actions" deprive of certain characteristics Synonym(s): unmake, undo Antonym(s): do, make cause the ruin or downfall of; "A single mistake undid the President and he had to resign" cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie" Synonym(s): untie, undo, loosen remove the outer cover or wrapping of; "Let's unwrap the gifts!"; "undo the parcel" Synonym(s): unwrap, undo Antonym(s): wrap, wrap up
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Undo \Undo"\, v. t. [AS. und[?]n. See 1st {Un-}, and Do to perform.] 1. To reverse, as what has been done; to annul; to bring to naught. What's done can not be undone. --Shak. To-morrow, ere the setting sun, She 'd all undo* that she had done. --Swift. 2. To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve; as, to undo a knot; to undo a puzzling question; to undo a riddle. --Tennyson. Pray you, undo this button. --Shak. She took the spindle, and undoing the thread gradually, measured it. --Sir W. Scott. 3. To bring to poverty; to impoverish; to ruin, as in reputation, morals, hopes, or the like; as, many are undone by unavoidable losses, but more undo themselves by vices and dissipation, or by indolence. That quaffing and drinking will undo you, --Shak.