Inconstancy
Pronunciation : In*con"stan*cy
Part of Speech : n.
Etymology : [L. inconstantia.]
Definition : Defn: The quality or state of being inconstant; want of constancy; mutability; fickleness; variableness. For unto knight there was no greater shame, Than lightness and inconstancie in love. Spenser.
Source : Webster's Unabridged Dictionary, 1913