adjective Etymology: hell + -acious (as in audacious) Date: 1929 exceptionally powerful or violent, remarkably good, extremely difficult, extraordinarily large, ~ly adverb
HELLACIOUS
Meaning of HELLACIOUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012