(~s, ~ing, ~ed)
If you ~ something that is closed, tied, or held together, or if you ~ the thing holding it, you loosen or remove the thing holding it.
When Ted was six we decided that he needed to know how to fasten and ~ his seat belt...
Reaching down, he ~ed the latch on the gate...
He once emerged from the toilets with his flies ~ed.
= undo
? fasten
VERB: V n, V n, V-ed