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Synonyms

inhuman

American  
[in-hyoo-muhn, -yoo-] / ɪnˈhyu mən, -ˈyu- /

adjective

  1. lacking qualities of sympathy, pity, warmth, compassion, or the like; cruel; brutal.

    an inhuman master.

    Synonyms:
    brutish, savage, hard, callous, cold, unsympathetic, unfeeling
  2. not suited for human beings.

  3. not human.


inhuman British  
/ ɪnˈhjuːmən /

adjective

  1. Also: inhumane.  lacking humane feelings, such as sympathy, understanding, etc; cruel; brutal

  2. not human

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of inhuman

First recorded in 1475–85; from Latin inhūmānus; replacing late Middle English inhumain, from Middle French, from Latin; see origin at in- 3, human

Compare meaning

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Explanation

If someone behaves in a way that shows no compassion, you could describe that person and his or her actions as inhuman. A teacher who assigns six hours of homework every night might be seen as inhuman. When people talk about inhuman things, they're usually not talking about dogs or Martians — beings that are literally not human. Rather, this word involves humans who show no regard for their fellow humans. Murdering another person is an inhuman act; slavery is an inhuman institution. Inhuman acts can also be described as inhumane, meaning “heartless and cruel.”

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Vocabulary lists containing inhuman

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The power of his work resides not in ideological argument or moral screed but in the observation of characters struggling to maintain their humanity in an inhuman system.

From Los Angeles Times • Apr. 17, 2026

Pope Leo - the first American Pope - has repeatedly condemned the war in Iran, saying it has led to "absurd and inhuman violence".

From BBC • Apr. 13, 2026

Philosophy without a biography turns inhuman; biography without a philosophy becomes inert.

From The Wall Street Journal • Mar. 6, 2026

"We’ve been here for a very long time, since January 8 for most of us, sleeping under tents, living here in an inhuman way. We’re at our limit," Quiaro told AFP.

From Barron's • Feb. 16, 2026

Being a medical student, of course, I have an inhuman schedule, and everyone makes allowances for that.

From "The Poisonwood Bible" by Barbara Kingsolver