Thesaurus
Synonyms & Antonyms of hellacious
1
extreme in degree, power, or effect
- the hellacious heat was more than we could bear
Synonyms for hellacious
Words Related to hellacious
Near Antonyms for hellacious
Antonyms for hellacious
2
requiring considerable physical or mental effort
- the pioneers survived a particularly hellacious river crossing with their covered wagon barely in one piece
Synonyms for hellacious
- arduous,
- Augean,
- backbreaking,
- challenging,
- demanding,
- difficult,
- effortful,
- exacting,
- formidable,
- grueling
- (or gruelling),
- hard,
- heavy,
- herculean,
- killer,
- laborious,
- moiling,
- murderous,
- pick-and-shovel,
- rigorous,
- rough,
- rugged,
- severe,
- stiff,
- strenuous,
- sweaty,
- tall,
- testing,
- toilsome,
- tough,
- uphill
Words Related to hellacious
Near Antonyms for hellacious
Antonyms for hellacious
- cheap,
- easy,
- effortless,
- facile,
- light,
- mindless,
- simple,
- soft,
- undemanding
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Time Traveler for hellacious
The first known use of hellacious was in 1929
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