Comparative form of ghastly: more ghastly(adjective)
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Use "ghastlier" in a sentence
"Taking a breather from our Gulf Coast miasma in order to focus on an even ghastlier blight of cultural crude washing up on American shores."
"I stress I know nothing about the woman herself, but the background to his defenestration – hate mail from pro-life and animal cruelty groups, frenzied character assassinations from the ghastly Cristina Odone, and an unspeakably unpleasant piece of twit-gloating from the even ghastlier Nadine Dorries soon afterwards – is inescapable."
"Ten times ghastlier than if it had been real, the chorus wailed and ululated back and forth along immeasurable distances -- became one yell again -- and went howling down into earth's bowels as if the last of a phantom pack were left behind and yelling to be waited for."