Inconstant \In*con"stant\, a. [L. inconstans: cf. F. inconstant.
   See {In-} not, and {Constant}.]
   Not constant; not stable or uniform; subject to change of
   character, appearance, opinion, inclination, or purpose,
   etc.; not firm; unsteady; fickle; changeable; variable; --
   said of persons or things; as, inconstant in love or
   friendship. "The inconstant moon." --Shak.
   
[1913 Webster]


         While we, inquiring phantoms of a day,
         Inconstant as the shadows we survey!     --Boyse.

   Syn: Mutable; fickle; volatile; unsteady; unstable;
        changeable; variable; wavering; fluctuating.
        
[1913 Webster]