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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Example Sentences
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Recent Examples of fiendish
Johann Sebastian Bach’s The Art of Fugue is a fiendish work of near-mythical status.
—
Genevieve Marks, Air Mail, 25 Oct. 2025
But a new shingle (and URL) outside the Pentagon does not solve the fiendish challenges of running the Army, Navy, Marine Corps, Air Force, Coast Guard and Space Force.
—Andreas Kluth, Twin Cities, 11 Sep. 2025
The entirety of the conundrum that the Epstein files have presented to the Trump administration was created because Trump and his subordinates continuously dangled the carrot of releasing the Epstein files and of holding elites accountable for their fiendish behavior.
—Rafael Perez, Oc Register, 10 Aug. 2025
But that’s just the cherry on top of a perfectly cartoonish opening to the best film this fiendish horror franchise from the 2000s has ever known.
—Alison Foreman, IndieWire, 13 May 2025
See All Example Sentences for fiendish
Genevieve Marks, Air Mail, 25 Oct. 2025
But a new shingle (and URL) outside the Pentagon does not solve the fiendish challenges of running the Army, Navy, Marine Corps, Air Force, Coast Guard and Space Force.
—Andreas Kluth, Twin Cities, 11 Sep. 2025
The entirety of the conundrum that the Epstein files have presented to the Trump administration was created because Trump and his subordinates continuously dangled the carrot of releasing the Epstein files and of holding elites accountable for their fiendish behavior.
—Rafael Perez, Oc Register, 10 Aug. 2025
But that’s just the cherry on top of a perfectly cartoonish opening to the best film this fiendish horror franchise from the 2000s has ever known.
—Alison Foreman, IndieWire, 13 May 2025
See All Example Sentences for fiendish
Recent Examples of Synonyms for fiendish
Adjective
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There are bodily fluids, jeering crowds, and demonic Punch and Judy puppets applauding through the chaos, giving the scene the air of a demented fairy tale.—
Radhika Seth,
Vogue,
9 Feb. 2026
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The design, Hing said, intentionally inverts the traditional characterization of the yeak as an antagonistic or even demonic force.—
Jared Kaufman,
Twin Cities,
8 Feb. 2026
Adjective
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Plus, the unknown impact AI will have on SaaS companies casts a brutal shadow over the sector, and the impact on Workday is significantly visible.—
Amanda Gerut,
Fortune,
13 Feb. 2026
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In an ecosystem squeezed by the brutal economics of streaming and the continuing struggles of the theatrical model, far too many worthy films go unsold and unseen.—
Patrick Brzeski,
HollywoodReporter,
13 Feb. 2026
Adjective
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While some post harmless content such as gym routines and self-improvement advice, other accounts are more sinister.—
Ivana Scatola,
CNN Money,
9 Feb. 2026
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And then there's Reinhardt's sinister robot sidekick Maximilian, a silent, malevolent presence who has no qualms about slicing up humans with his Swiss Army Knife-esque collection of torture devices.—
Richard Edwards,
Space.com,
8 Feb. 2026
Adjective
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Decades later, in a cruel twist of fate, the Guthrie family is no longer pantomiming a kidnapping.—
Chelsea Bailey,
CNN Money,
7 Feb. 2026
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Rojas was never treated by a physician while at El Helicoide, where human rights groups have denounced cases of cruel, inhuman treatment and torture.—
Miami Herald,
Miami Herald,
7 Feb. 2026
Adjective
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My deep cynicism thinks this was a diabolical plan to herd young people toward expensive, and somewhat useless, college degrees.—
Tim Carter,
Hartford Courant,
31 Jan. 2026
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Weisz gives two of her best performances — aggressive and sinister here, meek and contemplative there — to craft a diabolical portrait of primal codependency.—
Declan Gallagher,
Entertainment Weekly,
30 Jan. 2026
Adjective
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Catherine’s brother Hindley, a vicious bully whose abuse is part of what drives Cathy and Heathcliff so closely together, is cut entirely, his role combined with Catherine’s father.—
Wilson Chapman,
IndieWire,
13 Feb. 2026
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Everyone is fair game for her vicious tongue.—
R. Eric Thomas,
Chicago Tribune,
13 Feb. 2026
Adjective
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The Russian general was one of several GRU officials sanctioned by the United States in 2016 for wide-ranging malicious cyber activity directed at undermining US democratic processes.—
Anna Chernova,
CNN Money,
6 Feb. 2026
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The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have strong antivirus software installed on all your devices.—
Kurt Knutsson,
FOXNews.com,
5 Feb. 2026
Adjective
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On his second, Dominique pulled off a savage windmill, the same dunk that had earned a perfect score the year before and won him the title.—
Kevin Sherrington
Feb. 10,
Dallas Morning News,
10 Feb. 2026
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Meantime, outflows both from both software and crypto (an asset class most correlated with unprofitable tech stocks) grew excessive until the savage software/bitcoin selloff hit an extreme Thursday, when money came sloshing in to catch the falling knives.—
Michael Santoli,
CNBC,
9 Feb. 2026
Cite this Entry
“Fiendish.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fiendish. Accessed 14 Feb. 2026.
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