1
as in intense
extreme in degree, power, or effect
the hellacious heat was more than we could bear
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Antonyms & Near Antonyms
2
as in difficult
requiring considerable physical or mental effort
the pioneers survived a particularly hellacious river crossing with their covered wagon barely in one piece
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Example Sentences
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Recent Examples of hellacious
The skiers were in a valley below Perry Peak, but the two survivors have described battling through hellacious conditions in the hour before the avalanche.
—
Andrew Graham
april 2, Sacbee.com, 2 Apr. 2026
But the tour was a hellacious time for Bachman.
—Andy Greene, Rolling Stone, 28 Feb. 2026
Edmonton superstar Connor McDavid dished out three assists and a hellacious hit on Czechia forward Lukas Sedlec on his first shift early in the first period that set the tone for a fast paced, hard hitting and unselfish display of often breathtaking hockey.
—Scott M. Reid, Oc Register, 13 Feb. 2026
Even against a hellacious Houston defense, the Patriots’ shortest path to victory is to ask Maye to carry them yet again.
—Andrew Callahan, Boston Herald, 15 Jan. 2026
See All Example Sentences for hellacious
Andrew Graham
april 2, Sacbee.com, 2 Apr. 2026
But the tour was a hellacious time for Bachman.
—Andy Greene, Rolling Stone, 28 Feb. 2026
Edmonton superstar Connor McDavid dished out three assists and a hellacious hit on Czechia forward Lukas Sedlec on his first shift early in the first period that set the tone for a fast paced, hard hitting and unselfish display of often breathtaking hockey.
—Scott M. Reid, Oc Register, 13 Feb. 2026
Even against a hellacious Houston defense, the Patriots’ shortest path to victory is to ask Maye to carry them yet again.
—Andrew Callahan, Boston Herald, 15 Jan. 2026
See All Example Sentences for hellacious
Recent Examples of Synonyms for hellacious
Adjective
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Being in the C-suite is a high-pressure job with long hours, board responsibilities, and intense scrutiny.—
Orianna Rosa Royle,
Fortune,
17 June 2026
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Within the hour, all firefighters were called off the roof and out of the building because of the danger posed by the intense flames and the ammonia leak.—
Clara Harter,
Los Angeles Times,
17 June 2026
Adjective
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Some organizers say America's complicated and at times difficult history is being glossed over by fireworks and flag-waving ‒ or that it's being politicized by an administration that has actively worked to advance its version of history.—
Phaedra Trethan,
USA Today,
22 June 2026
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The move gives Marte another chance to work his way back to the major leagues after a difficult stretch that included a brief stop with the Cincinnati Reds organization earlier this year before a cut.—
Peter Chawaga,
Forbes.com,
21 June 2026
Adjective
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There’s nothing like an invasive hours-long aesthetic procedure with anesthesia to justify intensive pampering.—
Merle Ginsberg,
HollywoodReporter,
19 June 2026
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Governments and energy-intensive firms will look at electrification with newfound interest.—
Justin Worland,
Time,
19 June 2026
Adjective
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The agreement calls for an immediate end to hostilities on all fronts, including Lebanon, and sets out expectations for the next phase of talks, which will tackle more challenging issues, mainly the future of Iran's nuclear program.—
Francesca Chambers,
USA Today,
18 June 2026
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This creates a particularly challenging environment for those working in contributor welfare.—
Emma Pringle,
Deadline,
17 June 2026
Adjective
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Despite a few glimmers of good feeling, today's fierce political divisions have redefined a milestone that has often been marked by unity and optimism, at least for a moment.—
Susan Page,
USA Today,
22 June 2026
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An uncontained blaze in Utah’s Juab County has scorched 34 square miles, forcing the evacuation of Eureka and nearby ranches as firefighters race to shield homes amid fierce winds.—
Valerie Gonzalez,
Los Angeles Times,
22 June 2026
Adjective
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McIlroy bogeyed 18 to finish at one under, squarely in the hunt, considering the tough conditions limited scoring.—
Ian Miller OutKick,
FOXNews.com,
19 June 2026
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Parker, a former Eagles assistant, has risen quickly through the NFL coaching ranks and now faces a tough task with a roster full of new faces and high expectations.—
Briana Aldridge,
CBS News,
18 June 2026
Adjective
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So playing characters who were so ferocious and bold and confident and determined and all that helped me profoundly in my personal life.—
Brande Victorian,
HollywoodReporter,
18 June 2026
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Your ferocious work ethic and absolutely unshakable moral fiber.—
Scott Bauer,
Los Angeles Times,
18 June 2026
Adjective
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This is why getting a high-definition picture of a leader — through rigorous assessment, psychometric profiling, structured reference gathering, and behavioural history — is not an optional extra in the selection process.—
Tomas Chamorro-Premuzic,
Forbes.com,
19 June 2026
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Every gas article is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of personal finance products.—
Kelsey Neubauer,
CNBC,
19 June 2026
Cite this Entry
“Hellacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hellacious. Accessed 22 Jun. 2026.
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