Words similar to heartless

Example sentences for: heartless

How can you use “heartless” in a sentence? Here are some example sentences to help you improve your vocabulary:

A former medical director slams HMOs for making heartless, profit-motivated decisions.
(His enemies use words like "mean" and "heartless."
But by quoting Tucker's eloquent letter to him, he actually makes himself seem even more heartless.
The pope hates communism but, like Castro, he also loathes heartless capitalism.
Biohazard Martini Glass, "playfully reminds us of the effects of overindulgence on our immune system", $5--Remind me: What's the difference between "playful" and "heartless"?