Cold-blooded and Half hearted

Cold-blooded adjective - Having or showing a lack of sympathy or tender feelings.

Half hearted and cold-blooded are semantically related In some cases you can replace phrase "Half hearted" with "Cold-blooded", this phrases are similar.

Cold-blooded and half hearted are semantically related in unsympathetic topic. Sometimes you can use "Cold-blooded" instead an adjective phrase "Half hearted", if it concerns topics such as without agreement in feeling.