horribly UK /ˈhɒɹɪbli/US /ˈhɔɹəbli/adverb 3forms 2phrases 1 adverb3 •In a horrible way; very badly.The beginning art students displayed their horribly executed paintings with hopeful faces. •To an extreme degree or extent.Then everything went horribly wrong.The man was horribly nice, yet she still wouldn't marry him. •With a very bad effect.Horribly, as he was dying, his eyes reddened. formsmore horribly · most horribly Phrases with horribly go horribly rightTo produce a technically correct result, but with highly undesirable consequences.