Instable

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Instable \In*sta"ble\, a. [L. instabilis: cf. F. instable. See
     {In-} not, and {Stable}, a., and cf. {Unstable}.]
     Not stable; not standing fast or firm; unstable; prone to
     change or recede from a purpose; mutable; inconstant.
     [1913 Webster]