an event causing great and often sudden damage or distress; a disaster. “emergency measures may be necessary in order to avert a calamity”

synonyms: disaster, catastrophe, tragedy, cataclysm, devastating blow, crisis, adversity, blight, tribulation, woe, affliction, evil; misfortune, misadventure, accident, stroke of bad luck, reverse of fortune, setback, mischance, mishap; informal car crash; archaic bale; archaic mishanter

“This rental situation is a fucking calamity!”