calamity
Calamitously, the carefully chosen works were all lost in the fire.
Local schools have been calamitously underfunded.
Frank Zappa's eccentric methods of writing and recording were time-consuming and calamitously costly.
The calamitously slow response to the hurricane caused many people additional hardship.

SMART Vocabulary: related words and phrases

Accidents and disasters
accident
accidental
accidentally
accidentally on purposeidiom
an accident waiting to happenidiom
cataclysm
cataclysmic
cataclysmically
catastrophe
catastrophic
disastrous
disastrously
doomsday scenario
dumpster fire
emergency
non-emergency
perfect storm
post-accident
snafu
tragedy