inconstancy Meaning, Definition & Usage

  1. noun unfaithfulness by virtue of being unreliable or treacherous
    faithlessness; falseness; fickleness.
  2. noun the quality of being changeable and variable
    changefulness.

WordNet


In*con"stan*cy noun
Etymology
L. inconstantia.
Definitions
  1. 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.

Webster 1913