Definition of "half-hearted" []

• Not sincere; lacking full energy, effort, commitment, or resolve. (adjective)

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• "Mr. Santelli was griping about President Obama's new foreclosure mitigation programs—the ones I just characterized as half-hearted."
• "Barry was quietly impressive, dovetailing with Parker to break a half-hearted Montenegrin attack, setting the stage for England's second."
• "The Tea Party, to the degree that it can be lumped together or even defined as a group, has given Gingrich an embrace that can probably best be described as half-hearted."