heartless
adjective
[ ˈhɑːtləs ]
• displaying a complete lack of feeling or consideration.
• "heartless thieves stole the pushchair of a two-year-old boy"
Similar:
unfeeling,
unsympathetic,
unkind,
uncaring,
unloving,
unmoved,
unconcerned,
insensitive,
inconsiderate,
hard-hearted,
stony-hearted,
cold-hearted,
cold-blooded,
with a heart of stone,
lacking compassion,
mean-spirited,
without sentiment,
hard as nails,
cold,
hard,
harsh,
stern,
callous,
cruel,
brutal,
merciless,
pitiless,
ruthless,
inhuman,