uncruelly

• a word derived from cruel.
  cruel

  adjective

  willfully or knowingly causing pain or distress to others.

Related Words

• atrocious
• barbarous
• bitter
• brutal
• callous
• cold-blooded
• evil
• harsh
• hateful
• heartless
• inhuman
• inhumane
• merciless
• painful
• relentless
• ruthless
• sadistic
• spiteful
• tyrannical
• unkind