Synonyms of calamitous

1 Syllable

dire

2 Syllables

bummed, fatal, wreckful, grievous, ruinous, harmful, evil, frightful, messy, woeful, deadly, tragic, blighting, wretched

3 Syllables

direful, pernicious, dolorous, adverse, heart-rending, baleful, tumbledown, heartbreaking, godawful, hellfire, baneful, unlucky, disastrous

4 Syllables

unspeakable, lethiferous, cataclysmic, lamentable, cataclysmal, deplorable, dolorific, dolesome, destructive, catastrophal, regrettable, catastrophic, afflictive, devastating

5 Syllables

extirpative, unfavorable, infelicitous, undescribable, indefinable, unutterable, fire-and-brimstone, inexpressible, unfortunate

6 Syllables

annihilative, eradicative, incommunicable