- remarkable; astonishing: They're raising a hellacious amount of money in taxes.
- formidably difficult: We had a hellacious time getting here in the blizzard.
Origin of hellacious
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Words for hellaciousperfect, fantastic, good, tough, exceptional, tremendous, positive, awesome, admirable, terrific, marvelous, bad, wonderful, fine, best, absolute, heavy, expert, adept, crack
- remarkable; horrifying
- wonderful; excellent
Word Origin for hellacious
C20: from hell + -acious as in audacious
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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