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Synonyms

hellish

American  
[hel-ish] / ˈhɛl ɪʃ /

adjective

  1. of, like, or suitable to hell; infernal; vile; horrible.

    It was a hellish war.

  2. miserable; abominable; execrable.

    We had a hellish time getting through traffic.

  3. devilishly bad.

    The child's behavior was hellish most of the day.


hellish British  
/ ˈhɛlɪʃ /

adjective

  1. of or resembling hell

  2. wicked; cruel

  3. informal very difficult or unpleasant

"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

adverb

  1. informal (intensifier)

    a hellish good idea

"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 hellish

First recorded in 1520–30; hell + -ish 1

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.

Many youth—not just those who have had the grave misfortune of being arrested and stuck in hellish immigration detention centers—are intently watching these interactions and wondering what’s next for them.

From Slate • Apr. 27, 2026

These real-life tradwives described hellish experiences, both for themselves and their children.

From Salon • Apr. 13, 2026

Former BBC media editor Amol Rajan described the job as "hellish" when Davie first took over.

From BBC • Nov. 9, 2025

And I’m not even talking about the sequel where the bullying mogul Biff Tannen turns downtown Hill Valley into a hellish Pleasure Paradise Casino & Hotel.

From Los Angeles Times • Oct. 30, 2025

I step out of the hellish clothing shop, and a girl hands me a flyer for a concert in the cafe on the town square.

From "What the Night Sings" by Vesper Stamper

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