To reverse, as what has been done; to annul; to bring to naught.
Use in sentences of UNDO
Meaning of UNDO in English
To reverse, as what has been done; to annul; to bring to naught.
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.
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.