hellacious

== English == === Alternative forms === helatious === Etymology === Unclear origins; perhaps from hell +‎ -acious === Pronunciation === IPA(key): /hɛˈleɪʃəs/ Hyphenation: hel‧la‧cious Rhymes: -eɪʃəs === Adjective === hellacious (comparative more hellacious, superlative most hellacious) horrible, awful, hellish, agonizing, difficult. nasty, repellent. (slang) Remarkable, unbelievable, unusual. ==== Derived terms ==== hellaciously hellaciousness