Comparative form of crummy: more crummy(adjective)
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Use "crummier" in a sentence
"Second, the New York Federal Reserve and a coalition of investors including Blackrock, Prudential, MetLife and Pimco are warning Bank of America to take back some of their crummier mortgages -- otherwise, the group will sue."
"Considering the worldwide recession, the crummier than usual April weather and the fact that the Yankees 'and Mets' new stadium honeymoons are over, this drop isn't so terrifying."
"But the cinematic experience of VHS is objectively inferior to DVD and Blu-ray: poorer picture quality and crummier sound, less time efficient, less space efficient, less life efficient."