Learn how to say Cruelly correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word cruelly:
pitilessly; very unkindly; brutally ⇒ Douglas was often cruelly tormented by jealous siblings. ⇒ The child had been cruelly beaten.
to treat sb cruelly to be cruel to sb
distressingly; tragically ⇒ He saw his side cruelly denied the match by a late David Seaman save. ⇒ His life has been cruelly shattered by an event not of his own making.