Calamitous - definition of calamitous by The Free Dictionary
Define calamitous. calamitous synonyms, calamitous pronunciation, calamitous translation, English dictionary definition of calamitous. adj. Causing or involving calamity; disastrous. ca·lam′i·tous·ly adv. ca·lam′i·tous·ness n. American Heritage® Dictionary of the English Language, Fifth...
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