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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Many Olympians—Nordic skiers, for instance—pay a lot of attention to a measure called their VO2 max—the highest volume of oxygen your body can consume and use during a minute of intense exercise.—
Claire Cameron,
Scientific American,
11 Feb. 2026
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Valentine’s Day in a first teen relationship should feel simple, sweet, and age-appropriate, not intense or pressured.—
Melissa Willets,
Parents,
11 Feb. 2026
Adjective
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Training and case management through FRAP is supposed to help attorneys deal with what Clegg calls a difficult area of law.—
Raynee Howell,
Oklahoma Watch,
9 Feb. 2026
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Will this race and the other changes create an opportunity for NASCAR to turn the page on its difficult 2025?—
Jeff Gluck,
New York Times,
9 Feb. 2026
Adjective
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Members provide intensive mentoring, conflict mediation, case management, and connections to job training and mental health services to people at the highest risk of being involved in gun violence.—
Silas Morgan,
The Orlando Sentinel,
13 Feb. 2026
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But, for those looking for a slightly less intensive experience, the semi-serious murder party—which tends to take place, and to wrap up, during one dinner—has come roaring back in popularity.—
Rachel Syme,
New Yorker,
13 Feb. 2026
Adjective
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There are more advanced, and challenging techniques, like slicing or chipping for more bulbs.—
Clarence Schmidt,
San Diego Union-Tribune,
11 Feb. 2026
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This is not complicated or challenging music, and at times the chord progressions are simple enough to make one yearn for a bit more spikiness.—
Daniel Bromfield,
Pitchfork,
11 Feb. 2026
Adjective
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Kam and O'Shea exceeded all expectations with a performance characterized by spectacular lifts and fierce musicality.—
Andrew Greif,
NBC news,
8 Feb. 2026
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Then, in the middle of a fierce snowstorm, a skinny little girl and her dog show up at the resort.—
Mary Ann Grossmann,
Twin Cities,
8 Feb. 2026
Adjective
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Most importantly, Alvarado relishes in his role as a tough-nosed, point-of-attack defender, an area the Knicks have had trouble despite building a roster with notable defenders across all positions.—
Kristian Winfield,
New York Daily News,
5 Feb. 2026
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With a durable and tough rubber sole featuring Vibram's TC5+ technology, each step offers the right amount of flex and resistance for a comfortable hiking experience.—
Michael Cappetta,
Travel + Leisure,
5 Feb. 2026
Adjective
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The press was ferocious and organised, with the number of box entries and chances created being higher than any league performance this season.—
Megan Feringa,
New York Times,
30 Jan. 2026
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What Lee did not anticipate was the iron resolve, the ferocious tenacity, of the Union defenders.—
Jamelle Bouie,
Mercury News,
29 Jan. 2026
Adjective
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These athletes spend their lives focusing on building physical strength through rigorous training and diets that are honed to provide the nutrients necessary to excel at their sport.—
Emily Hemendinger,
The Conversation,
13 Feb. 2026
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Every mortgage article is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of financial products.—
Kelsey Neubauer,
CNBC,
13 Feb. 2026
Cite this Entry
“Hellacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hellacious. Accessed 14 Feb. 2026.
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