hellsome adjective 1adverb 1forms 2 adjective1 •Marked by hell or hellishnessAb'nisha, the leader of the hellsome pack, knew this bindi. — 2014 adverb1 •(informal, nonstandard) In a hellsome manner; hellishlyLike an awful alligator / Breathing fire and screeching hell-some, / With a pack of hounds. — 2015 formsmore hellsome · most hellsome