[he-ley-shuh s] /hɛˈleɪ ʃəs/
adjective, Slang.
remarkable; astonishing:
"They're raising a hellacious amount of money in taxes."
formidably difficult:
"We had a hellacious time getting here in the blizzard."
Also, hellaceous.
hell + -acious (extracted from audacious, sagacious, vivacious, etc.), perhaps with intensive or augmentative force; cf. bodacious, splendacious
Example Sentences for hellacious
Must have been hellacious, but not quite hellacious enough to shatter the planet.
He threw high fastballs nobody could touch, and a slider with a hellacious diagonal break.
He wasn't trying to throw a hellacious scare into his teacher.
British Dictionary definitions for hellacious
hellacious (hɛˈleɪʃəs)
1.  remarkable; horrifying
2.  wonderful; excellent
[C20: from hell + -acious as in audacious]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Slang related to hellacious



Excellent; wonderful; great : It was a hellacious picnic (1930s+ College students)

Dictionary of American Slang
Copyright © 1986 by HarperCollins Publishers
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