See Also: Undo(money)
undo(dictionary)
undo(dictionary)

undo (iou)



undo verb. .
[Old English undon = Old Frisian un(d)dua, Middle Dutch ontdoen, Old High German intuon: see UN-2, DO verb.]
I.
verb trans. Loosen the fastenings of (a door, garment, package, etc.) so as to open or remove. OE.
L. Parr She undid the gate, and held it half open. I. Murdoch Marcus..undid Patrick's pyjama jacket and started to pull it off.
verb trans. Open (the mouth or eyes). OE-LME.
verb trans. Loosen or unfasten (a button, knot, catch, etc.) by untying or by releasing from a fixed position; unfix. OE.
W. Morris She..turned the box round..undid The clasp, and fearfully raised up the lid. E. Bowen Lois undid the top buttons of her mackintosh.
b. Unfasten the clothing of (a person). M17.
verb trans. Release or free from a bond, bandage, covering, etc.; unbind. OE-E16.
verb intrans. Come apart; open; become unfastened. OE-M16.
verb trans.
a. Remove, take away; detach, cut off. ME-E16.
b. Cut up (an animal). ME-L15.
c. Cut open; open with a knife. LME-L17.
II.
verb trans. Reduce to the condition of not having happened or been done; reverse the doing of so as to restore the original form or condition; annul, cancel, rescind. OE.
George Eliot She liked to insist that work done without her orders should be undone from beginning to end. A. J. P. Taylor An attempt to undo the trades disputes act of 1927. C. Brayfield What's been done can't be undone now.
a. verb trans. Destroy, do away with; harm or injure seriously. OE.
T. S. Eliot I had not thought death had undone so many.
b. Ruin the prospects, reputation, or morals of; cause the downfall of. LME.
W. Lewis Some men are undone by women and some by wine.
verb trans. Explain, interpret, expound. Now rare. ME.