| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | dangerous |
| Synonyms: | adventurous, alarming, bad, breakneck, chancy, critical, dangersome, deadly, delicate, dynamite, exposed, fatal, formidable, hairy*, hazardous, heavy*, hot*, impending, impregnable, insecure, jeopardous, loaded, malignant, menacing, mortal, nasty, on collision course, perilous, portentous, precarious, pressing, queasy, risky, serious, serpentine, shaky, speculative, terrible, thorny, threatening, ticklish, touch-and-go, touchy, treacherous, ugly*, unhealthy, unsafe, unstable, urgent, venturesome, venturous, viperous, vulnerable, wicked |
| 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 |