callous
adjective
[ ˈkaləs ]
• showing or having an insensitive and cruel disregard for others.
• "his callous comments about the murder made me shiver"
Similar:
heartless,
unfeeling,
uncaring,
cold,
cold-hearted,
hard,
as hard as nails,
hard-hearted,
with a heart of stone,
stony-hearted,
insensitive,
lacking compassion,
hard-bitten,
cold-blooded,
hardened,
case-hardened,
harsh,
cruel,
ruthless,
brutal,
unsympathetic,
uncharitable,
indifferent,
unconcerned,
unsusceptible,
insensible,
bloodless,
soulless,
hard-boiled,
indurate,
indurated,
marble-hearted,
callous
noun
• variant spelling of callus.
Origin:
late Middle English (in the Latin sense): from Latin callosus ‘hard-skinned’.
callus
noun
• a thickened and hardened part of the skin or soft tissue, especially in an area that has been subjected to friction.
Origin:
mid 16th century: from Latin callus (more commonly callum ) ‘hardened skin’.