In a despicable or mean manner; contemptibly(adverb)
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Use "despicably" in a sentence
"I remember when Hurricane Katrina was called despicably called "The Perfect Storm" on Kos."
"You evidently did not care to notice that you who will not listen to reason or engage in argument are the one being called despicably weak, not those who simply happen to be born with a certain genetic endowment, etc."
"I wouldn't myself go as far as calling it "despicably"."