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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Recent Examples of hellacious
There were several hellacious spots, but the final blow was a concerto from Priest.
—
Brian Mazique, Forbes.com, 25 May 2025
After a solid start, his defensive flaws and diminished reflexes left him open for a hellacious left hook from Rodriguez.
—Brian Mazique, Forbes.com, 4 May 2025
Scott’s hellacious run in hip-hop can be credited to his 100-plus Billboard Hot 100 entries and two blockbuster releases, 2018’s Astroworld and 2023’s Utopia, which both secured the top spot on the Billboard 200.
—Carl Lamarre, Billboard, 3 Sep. 2019
The canine snarl and hellacious production of Whole Lotta Red has dissipated for something sleeker, more vaporous.
—Olivier Lafontant, Pitchfork, 8 Jan. 2025
See All Example Sentences for hellacious
Brian Mazique, Forbes.com, 25 May 2025
After a solid start, his defensive flaws and diminished reflexes left him open for a hellacious left hook from Rodriguez.
—Brian Mazique, Forbes.com, 4 May 2025
Scott’s hellacious run in hip-hop can be credited to his 100-plus Billboard Hot 100 entries and two blockbuster releases, 2018’s Astroworld and 2023’s Utopia, which both secured the top spot on the Billboard 200.
—Carl Lamarre, Billboard, 3 Sep. 2019
The canine snarl and hellacious production of Whole Lotta Red has dissipated for something sleeker, more vaporous.
—Olivier Lafontant, Pitchfork, 8 Jan. 2025
See All Example Sentences for hellacious
Recent Examples of Synonyms for hellacious
Adjective
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The dog days of summer brought intense heat to the Volunteer State, including a nearly month-long streak of 90-degree days in July, the fifth longest in Nashville’s history, said the weather service.—
Diana Leyva,
The Tennessean,
23 Aug. 2025
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Leaders will come under intense scrutiny both personal and professional.—
Chloe Demrovsky,
Forbes.com,
22 Aug. 2025
Adjective
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The Chamber said the cancellation was a difficult decision but ultimately the best course of action.—
Addison Wright,
Chicago Tribune,
22 Aug. 2025
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And as more time passed, reaching out felt more and more difficult.—
Kevin Kruse,
Forbes.com,
22 Aug. 2025
Adjective
-
Residents learn to care for critically ill patients, a process that demands intensive hours, extensive study outside of work to prepare for cases, and the emotional resilience to confront life-and-death situations daily.—
Richard Menger MD MPA,
Forbes.com,
18 Aug. 2025
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Musicians are also drawn here; the historic Sewanee Summer Music Festival, a month-long training intensive, stages concerts each summer, and the University Choir performs every Sunday at All Saints’ Chapel during the academic year.—
Lydia Mansel,
Travel + Leisure,
15 Aug. 2025
Adjective
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Taking the most challenging courses available — like AP, IB, honors, or dual enrollment classes — signals preparedness for college-level work.—
Liz Doe Stone,
Forbes.com,
14 Aug. 2025
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Getting the Supreme Court to take this case at all is going to be extremely challenging.—
Adam Sabes,
FOXNews.com,
13 Aug. 2025
Adjective
-
Data from the Federal Election Commission (FEC) shows Democrats ahead of Republicans in overall fundraising, with more success among House Democrats than senators, as the parties gear up for a fierce 2026 midterm election.—
Peter Aitken,
MSNBC Newsweek,
23 Aug. 2025
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The incident comes amid fierce controversy around pro-Palestinian activism and free speech in the UK, with musicians often at the forefront.—
Max Saltman,
CNN Money,
23 Aug. 2025
Adjective
-
Leaves harvested after flowering may be tough and bitter.—
Karen Brewer Grossman,
Southern Living,
14 Aug. 2025
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Yermak’s been a pivotal conduit for Ukraine in negotiating with the U.S. and its European allies, particularly in pushing for tougher sanctions on Russia.—
Chris Massaro,
FOXNews.com,
14 Aug. 2025
Adjective
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Typical confusion and disruption for a ferocious Vikings unit led by blitz enthusiast and defensive coordinator Brian Flores, but a shock to the Patriots’ offensive system.—
Andrew Callahan,
Boston Herald,
13 Aug. 2025
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Aquaman star Jason Momoa learned that lesson the hard way while attempting a miles-long paddle through ferocious Hawaiian waters and nearly not coming back up.—
Ryan Coleman Published,
EW.com,
12 Aug. 2025
Adjective
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Every member of the Minnesota Vikings Cheerleaders program has an impressive dance background and went through the same rigorous audition process.—
Marni Rose McFall,
MSNBC Newsweek,
15 Aug. 2025
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Every insurance article is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of insurance products.—
Liz Knueven,
CNBC,
15 Aug. 2025
Cite this Entry
“Hellacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hellacious. Accessed 27 Aug. 2025.
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