coldest-hearted

Adjective

cold-hearted (comparative more cold-hearted or colder-hearted, superlative most cold-hearted or coldest-hearted)

1. (figuratively) Without sympathy, feeling or compassion; callous or heartless.
   • The songs were sung by every one who possessed so much as an echo of a voice: they were quoted—copied—got by heart—in fact, we cannot imagine how the world of singers went on in the days when ‘Tara’s Hall,’ and ‘The young May Moon,’ and ‘The Meeting of the Waters,’ were strains unborn. And now...1834 July 12, “A Selection of Irish Melodies. With Symphonies and Accompaniments by Henry R. Bishop; and characteristic Words by Thomas Moore, Esq. No. 10. Supplement to the same to conclude the...

   Synonyms:

   alexithymic, apathistical, clinical, dull, phlegmatic, cold-blooded, dead inside, dispassionate, emotionless, immovable

   Antonyms:

   warm-hearted