दयाहीनता angolul

unkindness [unkindnesses]▼noun
[UK: ˌʌnˈk.aɪnd] [US: ˌʌnˈk.aɪnd]

unmercifulness▼noun

unfeelingly▼adverb
[UK: ʌn.ˈfiː.lɪŋ.li] [US: ʌn.ˈfiː.lɪŋ.li]