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
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
Lineups featuring the trio of Dunn-Jones-Leonard are going to be hellacious.
—Shane Young, Forbes, 13 Dec. 2024
See All Example Sentences for hellacious
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
Lineups featuring the trio of Dunn-Jones-Leonard are going to be hellacious.
—Shane Young, Forbes, 13 Dec. 2024
See All Example Sentences for hellacious
Recent Examples of Synonyms for hellacious
Adjective
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Show producers in the documentary remember that things got so intense behind the scenes that the shows would even steal guests from each other, going to the hotels where guests stayed during filming to poach them.—
Victoria Edel,
PEOPLE,
15 Jan. 2026
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But the process of going through permits and working with the restoration company was intense.—
Conor McGill,
CBS News,
15 Jan. 2026
Adjective
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Business leaders, of course, have their own interests and shareholders to serve, but Democrats can still protect the public interest while giving CEOs a seat at the table to reach pragmatic answers to difficult questions like these.—
Jeffrey Sonnenfeld,
Time,
13 Jan. 2026
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Activist groups say hundreds of people have been killed, though the true toll remains difficult to verify due to the internet blackout and tight state controls on information.—
Landon Mion,
FOXNews.com,
13 Jan. 2026
Adjective
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Bringing that experience to the screen required intensive work with the film’s young leads, Ishaan Khatter and Vishal Jethwa.—
Kennedy French,
Variety,
12 Jan. 2026
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When Indiana decided to build a water-intensive tech park in Lebanon — a city unable to provide the resource itself — the question of how the area would get water was inevitable.—
Sophie Hartley,
IndyStar,
12 Jan. 2026
Adjective
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But advocates say this year has been the most challenging.—
Ubah Ali,
CBS News,
15 Jan. 2026
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Purple proved to be the most challenging.—
Jordan Greene,
PEOPLE,
14 Jan. 2026
Adjective
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Competition remains fierce in the Charlotte region to grab a piece of the lucrative grocery market share.—
Charlotte Observer,
Charlotte Observer,
13 Jan. 2026
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But long before the fire destroyed a broad section of the San Gabriel Valley community, a small but fierce army of people devoted themselves to others who were without a home.—
James Rainey,
Los Angeles Times,
13 Jan. 2026
Adjective
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This leads to families having to make tough decisions, said Cindy Kincaid, family caregiver program manager at Centralina Regional Council.—
Briah Lumpkins,
Charlotte Observer,
12 Jan. 2026
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She's been amazing, a sort of brutal support, tough lover, very educational.—
Breanne L. Heldman,
PEOPLE,
12 Jan. 2026
Adjective
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Protecting Rodgers against the Texans’ ferocious pass rush represents a tall task, though.—
Mike Jones,
New York Times,
10 Jan. 2026
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Aside from being a general nuisance with their ferocious snores, pungent odors and growls, bears can do serious damage to a home.—
Hannah Fry,
Los Angeles Times,
9 Jan. 2026
Adjective
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Every personal finance article is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of personal finance products.—
Andreina Rodriguez,
CNBC,
12 Jan. 2026
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Denim and cotton can survive in rigorous washing, while silk and wool will need a gentle washing.—
Daley Quinn,
Southern Living,
11 Jan. 2026
Cite this Entry
“Hellacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hellacious. Accessed 15 Jan. 2026.
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