1) Detach 2) Loosen 3) Loosen from a fastening 4) To render no longer fixed 5) Unfasten 
• (v. t.) To loosen from a fastening; to detach from anything that holds; to unsettle; as, to unfix a bayonet; to unfix the mind or affections. • (v. t.) To make fluid; to dissolve.
unfix 1. To loosen or to detach something. 2. To upset the certainty or stability of something. 3. To render no longer fixed; to unfasten; to detach; to loosen; to free. 2. To unsettle, as the mind, traditions, or habits.
to render no longer fixed; unfasten; detach; loosen; free. · to unsettle, as the mind, traditions, or habits.