Unloosen and Undo

Unloosen verb - To set free (from a state of being held in check).

Undo is a synonym for unloosen in tighten topic. In some cases you can use "Undo" instead a verb "Unloosen".

Undo verb - To deprive of courage or confidence.

Unloosen is a synonym for undo in tighten topic. You can use "Unloosen" instead a verb "Undo", if it concerns topics such as open.

Nearby Words: undoing, undone