57 synonyms for dire such as dreadful, acute, dismal, and doom and gloom. Dire is an adjective, and its antonyms are good, mild, and encouraging.
Acute, alarming, appalling, atrocious, awful, calamitous, cataclysmic, catastrophic, chronic, crippling, critical, crucial, crying, desperate, devastating, direful, disastrous, distressing, drastic, dreadful, extreme, frightful, grave, grievous, grim, harrowing, hopeless, horrible, irretrievable, lousy, miserable, outrageous, parlous, pressing, ruinous, serious, shocking, sore, terrible, unspeakable, urgent, vital, woeful, and wretched.
Dismal, doom and gloom, dreadful, gloomy, grim, inauspicious, ominous, pessimistic, portentous, sinister, unfavourable, and unpropitious.