Dictionary.com
Thesaurus.com
Synonyms

inhuman

American  
[in-hyoo-muhn, -yoo-] / ɪnˈhju mən, -ˈju- /

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

How does inhuman compare to similar and commonly confused words? Explore the most common comparisons:

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.”

Keep Reading on Vocabulary.com

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.

He has previously spoken out against measures to clamp down on illegal migration, and called the US administration's treatment of immigrants "inhuman".

From Barron's • Jul. 4, 2026

"Human consent is not an impediment to progress. Human consent does not diminish the struggles and the joys of technological innovation or inhuman creativity," Blanchett said at the event in the parliament's library.

From Barron's • Jun. 23, 2026

Woods says it all "feels very inhuman… just about balance sheets and profit and loss".

From BBC • May 21, 2026

In the 1950s, the Court under Warren began to tighten the rules for denaturalization on the grounds that using it as punishment for certain acts was cruel and inhuman.

From Salon • Apr. 26, 2026

Solemn, humorless despite the slightly ironic smile, he suddenly cut deep—yet with the same mildness, the same almost inhuman indifference except for the pale flash of fire in his eyes.

From "Grendel" by John Gardner

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "inhuman" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com