as in agony
a situation or state that causes great suffering and unhappiness
that 20-page exam was a nightmare
Synonyms & Similar Words
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Antonyms & Near Antonyms
as in horrific
extremely disturbing or repellent
survivors of a nuclear holocaust would surely face a nightmare existence
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of nightmare
Raven Smith, Vogue, 9 Jan. 2026
This inhumane nightmare will not end anytime soon.
—Reader Commentary, Baltimore Sun, 9 Jan. 2026
Nic Juarez, Vulture, 14 Aug. 2025
See All Example Sentences for nightmare
Noun
Traitors is about the gullible and the skeptical working together to sieve the fraudulent from the truthful, an amalgamated nightmare of village idiots locking themselves in the stocks and pelting each other with rotten fruit.
—Raven Smith, Vogue, 9 Jan. 2026
This inhumane nightmare will not end anytime soon.
—Reader Commentary, Baltimore Sun, 9 Jan. 2026
Adjective
That alone would be nightmare enough, but this debate has been constructed and is moderated by Sam Reich.
—Nic Juarez, Vulture, 14 Aug. 2025
See All Example Sentences for nightmare
Recent Examples of Synonyms for nightmare
Noun
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The dramatic arc of the film’s first half — filled with the ecstasy of God’s embrace and the agony of imprisonment — is told through musical numbers, adapted from the Shakers’ ecstatic worship, dance, hymns, and music (watch the video above to learn more).—
Chris O'Falt,
IndieWire,
7 Jan. 2026
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One year before Ingri and Edgar Parin D’Aulaire published their compendium of Greek myths, Cicellis released her second work of fiction, The Way to Colonos, which ruthlessly dramatizes the limits of individual freedom and the agony of facing one’s powerlessness.—
Rachel Vorona Cote,
The Atlantic,
5 Jan. 2026
Adjective
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Wednesday afternoon, New York City Mayor Zohran Mamdani called the shooting horrific.—
Ali Bauman,
CBS News,
8 Jan. 2026
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From a horrific account of an asteroid hitting Earth to an evil AI computer capable of designing deadly activities, readers will face the dark and mysterious corners of the human experience.—
Jessica Tzikas,
Sun Sentinel,
8 Jan. 2026
Noun
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Others though, like benzodiazepines, have wildly missed the mark, causing decades of unintended consequences and human misery.—
Thomas Goetz,
STAT,
8 Jan. 2026
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Instead of getting used to the smells, her misery intensified with each passing day.—
Literary Hub,
Literary Hub,
7 Jan. 2026
Adjective
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Peter offers her not only logic — a picture in which all the parts, however gruesome, fit together — but salvation.—
Sara Holdren,
Vulture,
9 Jan. 2026
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The prosecution argued that being on drugs didn't excuse the gruesome attack.—
Tony Aiello,
CBS News,
8 Jan. 2026
Noun
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To our minds, Wednesday's horror, those kids who lost a mother, should supplant the inevitable circling of the ideological wagons and the parsing of the different angles of pictures taken at the scene.—
Arkansas Online,
Arkansas Online,
10 Jan. 2026
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But the harder the novice looks — and the greater the chaos inside them longing for order, even of a diabolical nature — the more clearly the horror will appear.—
Sara Holdren,
Vulture,
9 Jan. 2026
Adjective
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The shocking decision sends ripples through the Washington program and the college football transfer portal.—
The Athletic College Football Staff,
New York Times,
7 Jan. 2026
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There are some great twists and turns leading to a shocking but very satisfying ending.—
Will Harris,
Entertainment Weekly,
7 Jan. 2026
Noun
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This is likewise the thrust of Salò, based on the Marquis de Sade’s The 120 Days of Sodom, an orgiastic, disturbing carnival of torture, rape, and killing, reset by Pasolini in the town from which fascism reigned in the 1940s.—
Literary Hub,
Literary Hub,
7 Jan. 2026
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Marcano Tábata is widely identified by human rights groups as part of the command structure overseeing detention centers where political prisoners have been held, including facilities accused of systematic abuse and torture.—
Antonio María Delgado,
Miami Herald,
6 Jan. 2026
Adjective
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Are there horrible smells wafting around?—
Clio Chang,
Curbed,
7 Jan. 2026
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Jimmy Kimmel was horrible, and some of these people.—
Greg Evans,
Deadline,
6 Jan. 2026
Cite this Entry
“Nightmare.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nightmare. Accessed 13 Jan. 2026.
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