1
as in terrifying
causing fear
a frightful sound emanated from somewhere deep within the forest
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in gruesome
extremely disturbing or repellent
I couldn't listen to the frightful details of the murder trial
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Antonyms & Near Antonyms
3
as in intense
extreme in degree, power, or effect
flew into a frightful fit of rage
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of frightful
Wait for a day when the weather outside isn't too frightful, and hit a bike path or do a little off-roading to get some fresh air.
—
Mia Taylor, Parents, 7 Jan. 2026
Jon Murray When the weather outside is frightful, the reading is so delightful.
—The Denver Post, Denver Post, 7 Jan. 2026
Because the weather outside is about to get frightful.
—Paul Rogers, Mercury News, 19 Dec. 2025
The weather outside is truly frightful, but spending the holidays dressed to the nines — with looks powered by luxury Christmas sweaters that take ugliness out of the equation — will prove to be delightful.
—Stacia Datskovska, Footwear News, 12 Dec. 2025
See All Example Sentences for frightful
Mia Taylor, Parents, 7 Jan. 2026
Jon Murray When the weather outside is frightful, the reading is so delightful.
—The Denver Post, Denver Post, 7 Jan. 2026
Because the weather outside is about to get frightful.
—Paul Rogers, Mercury News, 19 Dec. 2025
The weather outside is truly frightful, but spending the holidays dressed to the nines — with looks powered by luxury Christmas sweaters that take ugliness out of the equation — will prove to be delightful.
—Stacia Datskovska, Footwear News, 12 Dec. 2025
See All Example Sentences for frightful
Recent Examples of Synonyms for frightful
Adjective
-
Pregnancy and birth carry its own battles and terrifying statistics.—
Kayla Grant,
PEOPLE,
31 Jan. 2026
-
The editorial board then throws in the new scare tactic for good measure at the end, claiming that there is some terrifying epidemic of puking, screaming and hospitalizations as the result of THC use (relying on spotty data, none of which has been linked to THC beverages).—
Chicago Tribune,
Chicago Tribune,
31 Jan. 2026
Adjective
-
When a spate of gruesome killings that resemble a decades-old crime rock a small town, disgraced detective Lee Dong-sik (Shin Ha-kyun) has a chance to restore his reputation with the help of young upstart investigator Han Joo-won (Yeo Jin-goo).—
Declan Gallagher,
Entertainment Weekly,
30 Jan. 2026
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Bianca Belair has been out of action since WrestleMania 41 in April 2025 after suffering a gruesome finger injury.—
Blake Oestriecher,
Forbes.com,
30 Jan. 2026
Adjective
-
This period of intense study laid the groundwork for what would later become known as the Korean New Wave.—
Literary Hub,
Literary Hub,
29 Jan. 2026
-
Shares fell during his time in government but rebounded sharply in December, reaching a record high amid intense market interest in AI.—
Sujita Sinha,
Interesting Engineering,
29 Jan. 2026
Adjective
-
But Isbell runs the race on a stark and formidable solo album and a batting average of six wins for eight nods (prior to this year’s three more).—
Craig Jenkins,
Vulture,
30 Jan. 2026
-
Van Scoyoc and Cohen will be a formidable one-two duo for Palos Verdes.—
Eric Sondheimer,
Los Angeles Times,
30 Jan. 2026
Adjective
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With the partial restoration of internet access, people inside the country and others who have left in recent days shared videos and stories with ABC News that shows the horrific nature of the regime's suppression of the protests.—
Somayeh Malekian,
ABC News,
27 Jan. 2026
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Syria’s horrific civil war killed more than 500,000 people over a 14-year period starting in 2011.—
Paul Iddon,
Forbes.com,
27 Jan. 2026
Adjective
-
The tech could have an outsized effect on knowledge workers by automating the repetitive, data-intensive cognitive tasks that typically define those white-collar roles.—
Tom Huddleston Jr.,
CNBC,
30 Jan. 2026
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Renee Nicole Good, a mother of three, was shot earlier this month while sitting in her car, while Alex Pretti, an intensive-care nurse, was killed in a separate encounter just over two weeks later.—
Becca Longmire,
PEOPLE,
30 Jan. 2026
Adjective
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But that depiction was picked apart by a vast array of online onlookers, from law enforcement experts to ordinary Instagram users, some of whom replayed the videos frame by frame and zoomed in to show the episode in frightening detail.—
Brian Stelter,
CNN Money,
25 Jan. 2026
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The news this week that CPW employees are facing a variety of threats from radical elements in both groups of Coloradans strikes us as ironic sad — and frightening.—
The Denver Post Editorial Board,
Denver Post,
24 Jan. 2026
Adjective
-
The killing and execution of Renee Good and Alex Pretti and the horrible lies perpetuated by this government are abhorrent.—
Letters to the Editor,
The Orlando Sentinel,
30 Jan. 2026
-
Someone should start talking about improving the state’s horrible inability to attract fellow Americans.—
Jonathan Lansner,
Oc Register,
30 Jan. 2026
Cite this Entry
“Frightful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/frightful. Accessed 3 Feb. 2026.
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