1
as in demonic
of, relating to, or worthy of an evil spirit
a fiendish delight in playing cruel tricks
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2
as in brutal
having or showing the desire to inflict severe pain and suffering on others
shook with fiendish laughter as he watched his victims writhe in agony
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Recent Examples of fiendish
What to know about Blue Origin after celebrity spaceflight NASA's Perseverance rover captures 'fiendish' dueling dust devils on Mars: See video
What causes the Lyrid meteors?
—
Eric Lagatta, USA Today, 19 Apr. 2025
The red Indian of the Western plains tied his prisoner to the stake, tortured him, and danced in fiendish glee while his victim writhed in the flames.
—Liz Tracey, JSTOR Daily, 21 Feb. 2025
Jumbo brings a humanizing clarity to Lady Macbeth without in the least compromising her character’s fiendish side.
—Charles McNulty, Los Angeles Times, 19 Feb. 2025
There's a little bit for every guy, girl and ghoul, no matter what your fiendish tastes.
—Brian Truitt, USA TODAY, 3 Oct. 2024
See All Example Sentences for fiendish
Eric Lagatta, USA Today, 19 Apr. 2025
The red Indian of the Western plains tied his prisoner to the stake, tortured him, and danced in fiendish glee while his victim writhed in the flames.
—Liz Tracey, JSTOR Daily, 21 Feb. 2025
Jumbo brings a humanizing clarity to Lady Macbeth without in the least compromising her character’s fiendish side.
—Charles McNulty, Los Angeles Times, 19 Feb. 2025
There's a little bit for every guy, girl and ghoul, no matter what your fiendish tastes.
—Brian Truitt, USA TODAY, 3 Oct. 2024
See All Example Sentences for fiendish
Recent Examples of Synonyms for fiendish
Adjective
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What did demonic erotica have to do with regulating internet-service providers?—
Ali Breland,
The Atlantic,
22 Oct. 2025
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But unlike other series cappers, Last Rites didn’t try to be a summation of every demonic threat the duo has ever encountered, instead opting for another familial story by way of 1986’s Smurl haunting in Pennsylvania.—
Brian Davids,
HollywoodReporter,
20 Oct. 2025
Adjective
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Simulations take place between October and March in brutal winter conditions, when the Gobi freezes solid.—
Rosanna Philpott,
CNN Money,
24 Oct. 2025
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This early modern period would set the foundations of the rise of the transatlantic slave trade and a new form of slavery—hereditary racial slavery—that would be central to the creation of the racial-caste hierarchy and to the rise of Britain’s wealthy and brutal Caribbean slave empire.—
Literary Hub,
Literary Hub,
23 Oct. 2025
Adjective
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Their double life soon gets complicated when a rival boy band harboring a sinister secret begins stealing their fans.—
Ingrid Vasquez,
PEOPLE,
25 Oct. 2025
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Candyman, the Candyman franchise (1992–1999; 2021) Helen Lyle (Virginia Madsen) finds out that adoration and horror don't mix when she is faced with the attachment of the sinister Candyman (Tony Todd) in the 1992 film classic.—
Steven Thrash,
Entertainment Weekly,
24 Oct. 2025
Adjective
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In Pahani’s 2006 award-winning comedy Offside, about the cruel cultural chains binding Iranian women, a group of young women attempt to gain entry to a stadium to watch a World Cup qualifying match between Iran and Japan.—
Baz Bamigboye,
Deadline,
24 Oct. 2025
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There is no reason to be cruel to people.—
Sigal Ratner-Arias,
Billboard,
23 Oct. 2025
Adjective
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This creates a vicious cycle where shame is a currency, and the only person who actually pays a price is the one who is mocked.—
Eli Thompson,
Rolling Stone,
25 Oct. 2025
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After their parents got the police involved, the case remained unsolved for months until the FBI uncovered the shocking truth of who was behind the vicious messages after all.—
James Mercadante,
PEOPLE,
25 Oct. 2025
Adjective
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Rader’s double life as a doting father and savage murderer is the subject of the new Netflix documentary My Father, the BTK Killer, based on his daughter Kerri Rawson’s search to make sense of the secret double life her father hid from his family.—
Johnny Dodd,
PEOPLE,
22 Oct. 2025
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The ensuing carnage was swift and savage.—
Paul Solotaroff,
Rolling Stone,
12 Oct. 2025
Adjective
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The protagonist’s diabolical plot is fuelled by an unmanageable tangle of emotions, including raging jealousy, mercenary self-interest, and resentment of Eileen’s professional and intellectual accomplishments, which sparks shame at her own cosseted frivolity.—
Richard Brody,
New Yorker,
17 Oct. 2025
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Whatever his reason, Mazzulla chose to put his own diabolical spin on the Celtics’ preseason media game Tuesday afternoon.—
Zack Cox,
Boston Herald,
15 Oct. 2025
Adjective
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Those hoping to snatch a home in this busy period faced limited options on the market, as the country’s developers had chronically underbuilt compared to demand in the years following the subprime mortgage crisis, leading to ruthless bidding wars and climbing home values.—
Giulia Carbonaro,
MSNBC Newsweek,
21 Oct. 2025
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Hedda orchestrates a ruthless game of manipulation, where lust, jealousy and betrayal collide.—
Patrick Hipes,
Deadline,
21 Oct. 2025
Cite this Entry
“Fiendish.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fiendish. Accessed 29 Oct. 2025.
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