0 to take the stitches (= pieces of thread that have been sewn to hold something together) out of something:
1 to change, spoil, or destroy something that has existed or been done previously:
When the sweaters wore thin on the elbow, you simply unstitched the sleeves and reversed them.
Nothing goes to waste. Outsize T-shirts are cut up and sewn together, belt loops, zippers and pockets are painstakingly unstitched from ragged jeans.
The tariffs may spark a trade war that could unstitch Britain's special relationship with the US.
I don't believe that any future board or any future chairman will try and unstitch what we've put in place.
