Definition of "calamitously" []

• In a calamitous manner. (adverb)

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• "He even escaped Gallipoli, where after a calamitously botched Allied campaign more than 50,000 Allied and Turkish troops died on the steep slopes above his head – only to die in March 1917 aged 23, in the First Battle of Gaza."
• "For instance, the precipitous declines in home values and investment portfolios — realities that no doubt weigh heavily on readers of this magazine — feature calamitously in both eras, but in the 1930s a far smaller portion of the population owned houses or equities than does now."
• "Logitech leapt into it last year, calamitously; in the first three months of 2011 more people returned its "Revue" set-top boxes than were sold as Christmas good ideas turned out to be flops."