dog-hearted

adjective3

1. •
   Very fond of dogs.

   • Was Abraham Lincoln's mother dog-hearted? Did the mother of Napoleon waste her time crying because her poodle had the colic? — 1900
2. •
   Subservient and lowly, like a pet dog.

   • The measureless squalor, the calm, house-broken, dog-hearted, subjected, abjected, subtracted, contracted, signed sealed and delivered. — 1954
3. •
   (no longer used, rare) Inhuman; cruel.

   • A soueraigne shame so elbows him his own vnkindnes That stript her from his benediction turnd her, To forraine casualties gaue her deare rights, To his dog-harted daughters […] — 1603