| Main Entry: | |
| Part of Speech: | noun |
| Definition: | downfall, breakdown |
| Synonyms: | bankruptcy, basket case, cataclysm, catastrophe, cave-in, conk out, crackup, crash, debacle, destruction, disintegration, disorganization, disruption, exhaustion, failure, faint, flop, prostration, ruination, ruining, smash, smashup, subsidence, undoing, wreck |
| Antonyms: | build-up, increase, rise, success |
| Main Entry: | black out |
| Part of Speech: | verb |
| Definition: | faint |
| Synonyms: | collapse, crap out, draw a blank, go out like a light, lose consciousness, pass out, slip into coma, swoon*, zone out |
| Antonyms: | resuscitate, revive |
| Main Entry: | buckle |
| Part of Speech: | verb |
| Definition: | contort, warp |
| Synonyms: | bend, bulge, cave in, collapse, crumple, distort, fold, twist, yield |
| Antonyms: | flatten, smooth |
| Main Entry: | calamity |
| Part of Speech: | noun |
| Definition: | disaster; tragedy |
| Synonyms: | adversity, affliction, blue ruin, cataclysm, catastrophe, collapse, cross, curtains, distress, downfall, hardship, holy mess, misadventure, mischance, misfortune, mishap, reverse, ruin, scourge, the worst, trial, tribulation, unholy mess, visitation, waterloo, woe, wreck, wretchedness |
| Antonyms: | advantage, blessing, boon, comfort, fortune, good fortune, good luck, happiness, joy, profit |
| Main Entry: | cataclysm |
| Part of Speech: | noun |
| Definition: | disaster |
| Synonyms: | calamity, cataract, catastrophe, collapse, convulsion, crunch, curtains, debacle, deluge, disturbance, double trouble, flood, flooding, holy mess, inundation, misadventure, ruin, torrent, tragedy, unholy mess, upheaval, waterloo, woe |
| Antonyms: | boon, good fortune, happiness, miracle, wonder |
| Main Entry: | comedown |
| Part of Speech: | noun |
| Definition: | letdown, blow |
| Synonyms: | anticlimax, blow, collapse, comeuppance, crash, cropper, decline, defeat, deflation, demotion, descent, disappointment, discomfiture, dive, down, downfall, failure, fall, flop, humiliation, pratfall, reverse, ruin, setback, undoing, wreck |
| Antonyms: | ascent, boon, boost, fortune, promotion |
| Main Entry: | crack |
| Part of Speech: | verb |
| Definition: | lose self-control |
| Synonyms: | become deranged, become insane, blow one's mind, blow up, break down, bug out, collapse, flip*, give way, go bonkers, go crazy, go to pieces, lose it, succumb, yield |
| Antonyms: | be calm, compose |
| Main Entry: | crack up |
| Part of Speech: | verb |
| Definition: | break down mentally |
| Synonyms: | become demented, become psychotic, blow a fuse, collapse, come apart at seams, decline, derange, deteriorate, fail, flip out, freak out, go bonkers, go crazy, go nuts, go off deep end, go off rocker, go out of mind, go to pieces, have breakdown, schizz out, sicken |
| Antonyms: | be calm |
| Main Entry: | crash |
| Part of Speech: | noun |
| Definition: | collision, accidental hitting |
| Synonyms: | accident, bump, collapse, concussion, crack-up, crunch, debacle, ditch, fender bender, fender tag, impact, jar, jolt, percussion, pileup, ram, rear-ender, shock, sideswipe, smash, smashup, splashdown, stack-up, thud, thump, total*, washout, wreck |