1 synonym for Besorgniserregend

worrisome, distressing, unsettling, disturbing, alarming, concerning, bothersome, disquieting, perturbing, unnerving, vexing, upsetting, nerve-racking, nerve-wracking,rowing, disconcerting, agitating, worrying, troublesome, problematic, discomforting, frightening, scary, intimidating, daunting, perplexing, confusing, baffling, bewildering, dismaying, shocking, startling, terrifying, horrifying, fearsome, dreadful, appalling, ghastly, grim, dire, ominous, menacing, foreboding, threatening, haunting, eerie, spooky, creepy, chilling [x]