unfastenable

the buttons on this shirt are unfastenable.

this unfastenable clasp keeps breaking.

the zipper became unfastenable after years of use.

he struggled with the unfastenable buckle.

an unfastenable strap caused the bag to open.

the unfastenable latch wouldn't stay closed.

we encountered an unfastenable door mechanism.

the dress had an unfastenable back closure.

the child couldn't undo the unfastenable knot.

an unfastenable velcro strip fell off.

the unfastenable safety buckle worried parents.

this unfastenable button is impossible to secure.

the surgeon was frustrated by the unfastenable suture.

an unfastenable cable tie is a common problem.