undoverb [T]uk /ʌnˈduː/ us /ʌnˈduː/ (present participle undoing, past tense undid, past participle undone)
undo verb [T] (UNFASTEN)
- I undid the buttons on my blouse.
- He had eaten so much that he had to undo his belt a couple of notches.
- He had undone the buttons of his shirt, exposing an unsightly expanse of white flesh.
- If the curtains are too short you could undo the hem to make them a bit longer.
- He gently began to undo the zip at the back of her dress.
undo verb [T] (REMOVE EFFECTS)
- be sacrificed on the altar of sth idiom
- blast/blow sb/sth to kingdom come idiom
- fall in
- kill sth off
- kill the goose that lays the golden egg idiom
- knock sth down
- stave sth in
- take sb/sth out
- tear 1
- tear sth apart
- tear sth down