a.
Cruel, unfeeling, merciless, unmerciful, uncompassionate, unpitying, ruthless, fell, pitiless, relentless, unrelenting, inexorable, implacable, barbarous, savage, ferocious, inhuman.
a.
Cruel, unfeeling, merciless, unmerciful, uncompassionate, unpitying, ruthless, fell, pitiless, relentless, unrelenting, inexorable, implacable, barbarous, savage, ferocious, inhuman.
Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012