false-hearted

Yes, Florence," said her friend, "he is false-hearted.

From The Home Mission by T. S. (Timothy Shay) Arthur

Other acts of cold-blooded cruelty, and false-hearted tyranny followed, till he became the execration and abhorrence of the whole colony.

From Norman's New Orleans and Environs Containing a Brief Historical Sketch of the Territory and State of Louisiana and the City of New Orleans, from the Earliest Period to the Present Time by B. M. Norman

"It was a lie imposed upon me by that false-hearted William Bellenger."

From Jessie Graham by Mary J. Holmes

It was that false-hearted woman gave you these precious maxims.

From One Of Them by Charles James Lever

The charming Eyes of Madame de R—— made me forget the false-hearted Creature on whom I had doated.

From The Memoirs of Charles-Lewis, Baron de Pollnitz, Volume III Being the Observations He Made in His Late Travels from Prussia thro' Germany, Italy, France, Flanders, Holland, England, &C. in Letters to His Friend. Discovering Not Only the Present State of the Chief Cities and Towns; but the Characters of the Principal Persons at the Several Courts. by Karl Ludwig von P?llnitz