Synonyms and Antonyms of alarming
- an alarming rise in her fever, causing the doctor to fear the worst
daunting, demoralizing, disconcerting, discouraging, dismaying, disquieting, distressing, disturbing, perturbing, startling, threatening, troubling, trying, unnerving
bone-chilling, creepy, eerie (also eery), weird
appalling, atrocious, awful, grisly, gruesome (also grewsome), hideous, horrid, macabre, monstrous, nightmarish