1
as in intense
extreme in degree, power, or effect
the hellacious heat was more than we could bear
Synonyms & Similar Words
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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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of hellacious
The film bluntly communicates the danger of football on the body and brain, with X-ray-vision scenes that show players’ skeletons bearing the impact of hellacious hits.
—
Andre Gee, Rolling Stone, 18 Sep. 2025
Even in the hellacious conditions of Greater Los Angeles, the suspension absorbs severe potholes, broken surfaces and expansion joints with little more than the sound of a muffled timpani strike.
—Mark Ewing, Forbes.com, 2 Aug. 2025
The other nailed two runners on the bases with some of the most hellacious throws anyone had ever seen.
—Tyler Kepner, New York Times, 11 July 2025
Just when the series appeared to begin tilting toward Indiana deep into Game 4, with a 3-1 Pacers lead a real possibility, Lu Dort's hellacious defense helped force Indiana into tough shots and Shai Gilgeous-Alexander's scoring rescued Oklahoma City.
—Andrew Greif, NBC news, 18 June 2025
See All Example Sentences for hellacious
Andre Gee, Rolling Stone, 18 Sep. 2025
Even in the hellacious conditions of Greater Los Angeles, the suspension absorbs severe potholes, broken surfaces and expansion joints with little more than the sound of a muffled timpani strike.
—Mark Ewing, Forbes.com, 2 Aug. 2025
The other nailed two runners on the bases with some of the most hellacious throws anyone had ever seen.
—Tyler Kepner, New York Times, 11 July 2025
Just when the series appeared to begin tilting toward Indiana deep into Game 4, with a 3-1 Pacers lead a real possibility, Lu Dort's hellacious defense helped force Indiana into tough shots and Shai Gilgeous-Alexander's scoring rescued Oklahoma City.
—Andrew Greif, NBC news, 18 June 2025
See All Example Sentences for hellacious
Recent Examples of Synonyms for hellacious
Adjective
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During periods of intense rainfall, the risk of flooding increases, particularly in low-lying and flood-prone areas.—
CA Weather Bot,
Sacbee.com,
11 Oct. 2025
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The modern understanding of the Ring of Fire emerged with the theory of plate tectonics in the 1960s, which explained the region’s intense seismic and volcanic activity as the result of shifting tectonic plates.—
Shane Croucher,
MSNBC Newsweek,
10 Oct. 2025
Adjective
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Travel could be very difficult to impossible.—
CA Weather Bot,
Sacbee.com,
12 Oct. 2025
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This Is My Story While Israel and Hamas have accepted the two-phase agreement, many of the more difficult issues have been left unresolved.—
Richard Hall,
Time,
12 Oct. 2025
Adjective
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There is a downside to such intensive planting, though.—
Brandee Gruener,
Southern Living,
13 Oct. 2025
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Tuesday was filled with intensive coaching and mentorship sessions with Walmart and Sam's Club merchants, sourcing experts and past Open Call alumni about scaling up production, improving packaging, and strengthening their financial and operational readiness.—
Serenah McKay,
Arkansas Online,
11 Oct. 2025
Adjective
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The mother of five admitted that being away from her family for long periods of time was challenging, but the sacrifice was necessary for Jordan’s athletic development.—
Nasha Smith,
PEOPLE,
14 Oct. 2025
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The second, more challenging phase — aimed at dismantling Hamas and deciding Gaza’s future leadership — has yet to be negotiated.—
Alexandra Banner,
CNN Money,
14 Oct. 2025
Adjective
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Israel then launched its war on the strip, which has been devastated by fierce bombardment and Israel Defense Forces (IDF) ground operations.—
Ellie Cook,
MSNBC Newsweek,
13 Oct. 2025
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Plenty of companies offer fully remote work, Frana says, but competition can be fierce for those roles.—
Sophie Caldwell,
CNBC,
13 Oct. 2025
Adjective
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The end result of a tough negotiation that included a nearly two-week blackout of Disney channels on Charter in 2023 was a much closer working relationship between the two.—
Cynthia Littleton,
Variety,
11 Oct. 2025
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Just a week after giving birth, Menish took her six-hour Evidence exam from home in December 2023 — one of the toughest finals in the curriculum.—
Tereza Shkurtaj,
PEOPLE,
11 Oct. 2025
Adjective
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Israel unleased a ferocious response that has claimed the lives of more then 67,000 Palestinians, most of them women and children.—
Greg Myre,
NPR,
9 Oct. 2025
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In offseason videos, though, he’s been flying through the air and flushing down ferocious dunks, so the athleticism looks to be back.—
Stan Son,
New York Times,
7 Oct. 2025
Adjective
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Here’s how all four teams look heading into their Championship Series, along with some rigorous, confident analysis for each team.—
Grant Brisbee,
New York Times,
12 Oct. 2025
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Whereas degree programs have to go through rigorous faculty and administrative oversight, which can take years, non-degree programs don’t require the same kind of oversight.—
Chris Quintana,
USA Today,
12 Oct. 2025
Cite this Entry
“Hellacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hellacious. Accessed 17 Oct. 2025.
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