| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | threatening |
| Synonyms: | aggressive, alarming, apocalyptic, at hand, baleful, baneful, black, bullying, cautionary, close, comminatory, dangerous, dire, fateful, forthcoming, grim, ill-boding, imminent, impendent, impending, inauspicious, intimidatory, looming, loury, lowering, lowery, minacious, near, overhanging, portending, portentous, scowling, sinister, terrorizing, ugly*, unlucky, unpropitious, unsafe, upcoming, warning |
| Main Entry: | perturbing |
| Part of Speech: | adjective |
| Definition: | disturbing |
| Synonyms: | aggravating, agitating, alarming, annoying, bothersome, burdensome, consequential, creepy, depressing, difficult, disagreeable, discomforting, discommoding, discomposing, disconcerting, discouraging, dismaying, disquieting, disruptive, distressful, distressing, embarrassing, foreboding, frightening, gloomy, harassing, hard, impeding, inconvenient, intrusive, irksome, irritating, laborious, ominous, onerous, painful, perplexing, pessimistic, prophetic, provoking, severe, sinister, startling, threatening, tiresome, toilsome, troublesome, troubling, troublous, trying, uncertain, unpleasant, unsettling, upsetting, vexing, wearisome, worrisome, worrying |
| Main Entry: | troublous |
| Part of Speech: | adjective |
| Definition: | disturbing |
| Synonyms: | aggravating, agitating, alarming, annoying, bothersome, burdensome, consequential, creepy, depressing, difficult, disagreeable, discomforting, discommoding, discomposing, disconcerting, discouraging, dismaying, disquieting, disruptive, distressful, distressing, embarrassing, foreboding, frightening, gloomy, harassing, hard, impeding, inconvenient, intrusive, irksome, irritating, laborious, ominous, onerous, painful, perplexing, perturbing, pessimistic, prophetic, provoking, severe, sinister, startling, threatening, tiresome, toilsome, troublesome, troubling, trying, uncertain, unpleasant, unsettling, upsetting, vexing, wearisome, worrisome, worrying |
| Main Entry: | undescribable |
| Part of Speech: | adjective |
| Definition: | unspeakable |
| Synonyms: | abominable, alarming, appalling, atrocious, awful*, beastly, beyond words, calamitous, defying description, description, detestable, dire, disgusting, dreadful, evil, execrable, fearful, frightening, frightful, heinous, horrible, horrid, incommunicable, inconceivable, indefinable, indescribable, ineffable, inexpressible, inhuman, loathsome, monstrous*, nameless, obnoxious, odious, offensive, outrageous, overwhelming, preternatural, repellent, repugnant, repulsive, revolting, shocking, unbelievable, unimaginable, unutterable |
| Main Entry: | unsettling |
| Part of Speech: | adjective |
| Definition: | disturbing |
| Synonyms: | aggravating, agitating, alarming, annoying, bothersome, burdensome, consequential, creepy, depressing, difficult, disagreeable, discomforting, discommoding, discomposing, disconcerting, discouraging, dismaying, disquieting, disruptive, distressful, distressing, embarrassing, foreboding, frightening, gloomy, harassing, hard, impeding, inconvenient, intrusive, irksome, irritating, laborious, ominous, onerous, painful, perplexing, perturbing, pessimistic, prophetic, provoking, severe, sinister, startling, threatening, tiresome, toilsome, troublesome, troubling, troublous, trying, uncertain, unpleasant, upsetting, vexing, wearisome, worrisome, worrying |
| Main Entry: | unutterable |
| Part of Speech: | adjective |
| Definition: | unspeakable |
| Synonyms: | abominable, alarming, appalling, atrocious, awful*, beastly, beyond words, calamitous, defying description, description, detestable, dire, disgusting, dreadful, evil, execrable, fearful, frightening, frightful, heinous, horrible, horrid, incommunicable, inconceivable, indefinable, indescribable, ineffable, inexpressible, inhuman, loathsome, monstrous*, nameless, obnoxious, odious, offensive, outrageous, overwhelming, preternatural, repellent, repugnant, repulsive, revolting, shocking, unbelievable, undescribable, unimaginable |
| Main Entry: | upsetting |
| Part of Speech: | adjective |
| Definition: | disturbing |
| Synonyms: | aggravating, agitating, alarming, annoying, bothersome, burdensome, consequential, creepy, depressing, difficult, disagreeable, discomforting, discommoding, discomposing, disconcerting, discouraging, dismaying, disquieting, disruptive, distressful, distressing, embarrassing, foreboding, frightening, gloomy, harassing, hard, impeding, inconvenient, intrusive, irksome, irritating, laborious, ominous, onerous, painful, perplexing, perturbing, pessimistic, prophetic, provoking, severe, sinister, startling, threatening, tiresome, toilsome, troublesome, troubling, troublous, trying, uncertain, unpleasant, unsettling, vexing, wearisome, worrisome, worrying |
| Main Entry: | agitate |
| Part of Speech: | verb |
| Definition: | disturb, trouble someone |
| Synonyms: | alarm, argue, arouse, bug up, bug*, burn up, confuse, craze*, debate, discompose, disconcert, discuss, dispute, disquiet, distract, disturb, egg on, examine, excite, ferment, flurry, fluster, get to, incite, inflame, make flip, move, perturb, psych, push buttons, rouse, ruffle, spook, stimulate, stir, trouble, turn on, unhinge, upset, ventilate, work up, worry |
| Antonyms: | calm, not bother, quiet, soothe |
| Main Entry: | alert |
| Part of Speech: | verb |
| Definition: | warn |
| Synonyms: | alarm, flag, forewarn, give the high sign, inform, notify, put on guard, signal, tip, tip off, wave flag |