形容詞 calamitous:

1. (of events) having extremely unfortunate or dire consequences; bringing ruin
   同義詞：black, disastrous, fatal, fateful

1. A play, film, television program, or other narrative work that portrays or depicts calamitous events and has an unhappy but meaningful ending.
   悲劇式作品刻畫或描寫災(zāi)難性事件的劇作、電影、電視節(jié)目或其它敘事作品，有不幸的但意味深長的結(jié)局
2. An indication of something important or calamitous about to occur; an omen.
   預(yù)告，為 ... 的征兆預(yù)示著重大事情或災(zāi)難性事情即將發(fā)生的預(yù)兆; 預(yù)告

ca.lam.i.tous

adj.（形容詞）
Causing or involving calamity; disastrous.
災(zāi)難的：導(dǎo)致或涉及災(zāi)難的；災(zāi)難性的

【引伸】
calam.itously
adv.（副詞）
calam.itousness
n.（名詞）