inhumane

/ˌɪnhjuˈmeɪn/
adjective
  1. Cruel, lacking compassion or kindness; not treating people or animals with the care and respect they deserve.
    • Keeping dogs chained outside in freezing weather is inhumane.
    • Many people believe that factory farming is inhumane because of the cramped cages.
    • The prisoners were kept in inhumane conditions without enough food or water.