adjective

inhuman

in-HYOO-mun/ɪnˈhjuːmən/

Outside what is regarded as human in nature.

The captor shows inhuman cruelty by denying the thirsty captive water.

A captor deliberately pours drinking water onto the ground just beyond a visibly thirsty captive’s reach, making the denial of compassion concrete and unmistakable.
Etymology

Latin humanus could mean kind or civilized as well as human. Negating those valued human qualities produced a word for savage or cruel behavior, already present in Latin.

In context

Storytime Haven189:40
But is not my uncle an inhuman brute--a fearless, desperate man, who carries out, with utter disregard of human life, the amazing plots
The Place of Dragons: A Mystery 🐉🔍 | A Thrilling Suspenseful Adventure by William Le Queux

More examples

  • The prisoners endure inhuman conditions in the overcrowded cells.
  • An inhuman scream echoes through the empty building.
  • The creature lifts the truck with inhuman strength.

Forms

inhuman

inhumanity noun — Cruelty that shows a lack of compassion.

inhumanly adverb — In a cruel or seemingly nonhuman way.

Similar words

cruel
Emphasizes causing suffering rather than lacking recognizable human qualities.
nonhuman
Means not human, without necessarily suggesting cruelty or strangeness.
superhuman
Describes abilities exceeding human limits, rather than cruelty.