Synonyms of alarming

Verb

1. dismay, alarm, appal, appall, horrify, frighten, fright, scare, affright

usage: fill with apprehension or alarm; cause to be unpleasantly surprised; "I was horrified at the thought of being late for my interview"; "The news of the executions horrified us"

2. alarm, alert, warn

usage: warn or arouse to a sense of danger or call to a state of preparedness; "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries"

Adjective

1. alarming (vs. unalarming), appalling, dismaying, atrocious, frightful, horrifying, horrible, ugly, awful, dire, direful, dread(prenominal), dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific, terrible, baleful, forbidding, menacing, minacious, minatory, ominous, sinister, threatening, bloodcurdling, hair-raising, nightmarish, chilling, scarey, scary, shivery, shuddery, creepy, creepy-crawly, formidable, redoubtable, unnerving, ghastly, grim, grisly, gruesome, macabre, sick, hairy, petrifying, stupefying, terrific, terrifying

usage: frightening because of an awareness of danger

Definition and meaning of alarming (Dictionary)