calamitous
— Adjective
– English
~ (of events) having extremely unfortunate or dire consequences; bringing ruin; "the stock market crashed on Black Friday"; "a calamitous defeat"; "the battle was a disastrous end to a disastrous campaign"; "such doctrines, if true, would be absolutely fatal to my theory"- Charles Darwin; "it is fatal to enter any war without the will to win it"- Douglas MacArthur; "a fateful error"
calamity
— Noun
– English
~ an event resulting in great loss and misfortune; "the whole city was affected by the irremediable calamity"; "the earthquake was a disaster"
calan
— Noun
– English
~ a drug (trade names Calan and Isoptin) used as an oral or parenteral calcium blocker in cases of hypertension or congestive heart failure or angina or migraine
Calandrinia
— Noun
– English
~ large genus of low-growing herbs; widespread throughout tropical and warm temperate regions having usually basal leaves and panicles of purplish ephemeral flowers