1. untie
The first thing he did was to untie his shoelaces and take his shoes off.
Your shoe is untied.
Inglês palavra "odwiązać"(untie) ocorre em conjuntos:
unit 12 upper intermediate2. unfasten
3. undo
You cannot undo what has already been done.
I can't undo it.
The "undo" option reverts the last change done to the document.
He did not want to know, but you cannot undo knowledge.
David's mother had been developing a pill to undo the effects of the operation.
Could you help me undo the buttons?
Please undo the package.
Don't undo your bootlaces until you have seen the river.
4. undo undid undone
5. an tangle