disquieting, upsetting, distressing, troubling, perturbing, bothersome, irksome, unpleasant, provoking, annoying, alarming, unsettling, painful, discomforting, nettling, inauspicious, foreboding, consequential, aggravating, disagreeable, troublesome, onerous, worrisome, burdensome, trying, vexatious, vexing, worrying, frightening, startling, perplexing, threatening, galling, laborious, difficult, severe, hard, toilsome, tiresome, inconvenient, discouraging, pessimistic, gloomy, uncertain, disconcerting, discomposing, dismaying, depressing, irritating, harassing, unpropitious, sinister, creepy, prophetic, impeding, discommoding, embarrassing, ruffling, agitating, wearisome, causing worry, causing anxiety, not propitious, not encouraging; see also ominous.