| Main Entry: | catastrophic |
| Part of Speech: | adjective |
| Definition: | destructive |
Synonyms: |
calamitous, cataclysmal, cataclysmic, catastrophal, disastrous, fatal, ruinous, tragic |
| Main Entry: | calamitous |
| Part of Speech: | adjective |
| Definition: | disastrous; tragic |
Synonyms: |
adverse, afflictive, blighting, cataclysmic, catastrophic, deadly, deplorable, devastating, dire, fatal, grievous, harmful, heartbreaking, lamentable, messy, pernicious, regrettable, ruinous, unfavorable, unfortunate, woeful |
Antonyms: |
blessed, comforting, favorable, fortunate, happy, joyous, wonderful |
| Main Entry: | costly |
| Part of Speech: | adjective |
| Definition: | harmful, damaging |
Synonyms: |
catastrophic, deleterious, disastrous, loss-making, ruinous, sacrificial |
Antonyms: |
aiding, helpful |
| Main Entry: | destructive |
| Part of Speech: | adjective |
| Definition: | injurious, devastating |
Synonyms: |
annihilative, baleful, baneful, calamitous, cancerous, cataclysmic, catastrophic, consumptive, cutthroat, damaging, deadly, deleterious, detrimental, dire, disastrous, eradicative, evil, extirpative, fatal, fell, harmful, hurtful, internecine, lethal, lethiferous, mortal, noisome, noxious, pernicious, pestiferous, pestilential, ruinous, slaughterous, suicidal, toxic, venomous, wrackful, wreckful |
Antonyms: |
aiding, assisting, building, creative, helpful, productive |
| Main Entry: | dire |
| Part of Speech: | adjective |
| Definition: | terrible, ominous |
Synonyms: |
afflictive, alarming, appalling, awful, black, calamitous, cataclysmic, catastrophic, cruel, deplorable, depressing, disastrous, dismal, distressing, dreadful, fearful, fierce, frightful, gloomy, grievous, grim, heartbreaking, horrible, horrid, lamentable, oppressing, portentous, redoubtable, regrettable, ruinous, scowling, shocking, terrific, ugly, unfortunate, woeful |
Antonyms: |
fortunate, good, lucky, nice |
| Main Entry: | disastrous |
| Part of Speech: | adjective |
| Definition: | detrimental, devastating |
Synonyms: |
adverse, calamitous, cataclysmal, cataclysmic, catastrophic, destructive, dire, dreadful, fatal, fateful, hapless, harmful, ill-fated, ill-starred, luckless, ruinous, terrible, tragic, unfavorable, unfortunate, unlucky, unpropitious, untoward |
Antonyms: |
blessed, fortunate, lucky, miraculous, prosperous, successful, triumphant, winning, wondrous |
| Main Entry: | fatal |
| Part of Speech: | adjective |
| Definition: | deadly, lethal |
Synonyms: |
baleful, baneful, calamitous, cataclysmic, catastrophic, deathly, destructive, disastrous, fateful, final, ill-fated, ill-starred, incurable, inevitable, killing, malefic, malignant, mortal, mortiferous, noxious, pernicious, pestilent, pestilential, poisonous, ruinous, terminal, virulent |
| Notes: | use fatal for something which has caused someone's death; use lethal for something which is capable of killing someone |
Antonyms: |
healthful, life-giving, nourishing, vital, wholesome |
| Main Entry: | fateful |
| Part of Speech: | adjective |
| Definition: | deadly |
Synonyms: |
calamitous, cataclysmic, catastrophic, destructive, disastrous, fatal, lethal, mortal, ominous, ruinous |
Antonyms: |
healthful, healthy, life-giving |
| Main Entry: | harmful |
| Part of Speech: | adjective |
| Definition: | injurious, hurtful |
Synonyms: |
adverse, bad, baleful, baneful, calamitous, cataclysmic, catastrophic, consumptive, corroding, corrupting, crippling, damaging, deleterious, destructive, detrimental, dire, disadvantageous, disastrous, evil, harassing, incendiary, inimical, internecine, malefic, malicious, malignant, menacing, mischievous, murderous, nocuous, noxious, painful, pernicious, pestiferous, pestilential, risky, ruinous, sinful, sinister, subversive, toxic, undermining, unhealthy, unsafe, unwholesome, virulent |
| Main Entry: | ill-fated/ill-starred |
| Part of Speech: | adjective |
| Definition: | doomed |
Synonyms: |
blighted, catastrophic, destroyed, disastrous, hapless, ill-omened, inauspicious, luckless, misfortunate, ruined, star-crossed, unfortunate, unhappy, unlucky, untoward |
Antonyms: |
happy, lucky |