a. [ Cf. Instable. ] Not stable; not firm, fixed, or constant; subject to change or overthrow. --
Unstable equilibrium.
v. t. [ 1st pref. un- + stack. ] To remove, or take away, from a stack; to remove, as something constituting a stack. [ 1913 Webster ]
v. t. [ Pref. un- + starch. ] To free from starch; to make limp or pliable. [ 1913 Webster ]
v. t. [ 1st pref. un- + state. ] To deprive of state or dignity. [ R. ] [ 1913 Webster ]
High-battled Caesar will unstate his happiness. Shak. [ 1913 Webster ]
v. t. [ 1st pref. un- + steel. ] To disarm; to soften. Richardson. [ 1913 Webster ]
v. t. [ 1st pref. un- + step. ] (Naut.) To remove, as a mast, from its step. [ 1913 Webster ]
v. t. [ 1st pref. un- + stick. ] To release, as one thing stuck to another. Richardson. [ 1913 Webster ]
a. [ AS. unstille. See Un- not, and Still, a. ] Not still; restless. [ R. ] [ 1913 Webster ]
v. t. [ 1st pref. un- + sting. ] To disarm of a sting; to remove the sting of. [ R. ] “Elegant dissertations on virtue and vice . . . will not unsting calamity.” J. M. Mason. [ 1913 Webster ]
v. t. [ 1st pref. un- + stitch. ] To open by picking out stitches; to take out, or undo, the stitches of;