| 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: | extremely |
| Part of Speech: | adverb |
| Definition: | greatly, intensely |
| Synonyms: | acutely, almighty, awfully, drastically, exceedingly, exceptionally, excessively, exorbitantly, extraordinarily, highly, hugely, immensely, immoderately, inordinately, intensely, markedly, mortally, notably, over, overly, overmuch, parlous, plenty, powerful, prohibitively, quite, radically, rarely, remarkably, severely, strikingly, surpassingly, terribly, terrifically, to nth degree, too, too much*, totally, ultra*, uncommonly, unduly, unusually, utterly, very*, violently, vitally |
| Antonyms: | mildly, moderately |
| Main Entry: | hazardous |
| Part of Speech: | adjective |
| Definition: | dangerous, unpredictable |
| Synonyms: | chancy, dicey, difficult, hairy*, haphazard, hot*, insecure, parlous, perilous, precarious, risky, touchy, uncertain, unhealthy, unsafe, unsound, venturesome, wicked |
| Antonyms: | certain, guarded, predictable, protected, safe, secure |
| Main Entry: | highly |
| Part of Speech: | adverb |
| Definition: | very, well |
| Synonyms: | awful, awfully, bloody*, but good, decidedly, deeply, eminently, exceedingly, exceptionally, extraordinarily, extremely, greatly, hugely, immensely, jolly, mighty, mucho, notably, parlous, plenty, powerful, profoundly, real, really, remarkably, right, so, so much, strikingly, supremely, surpassingly, terribly, terrifically, too much*, tremendously, vastly, very much |
| Antonyms: | little |
| Main Entry: | touch-and-go |
| Part of Speech: | adjective |
| Definition: | risky |
| Synonyms: | dangerous, delicate, hazardous, parlous, perilous, precarious, sensitive, shaky, touchy, tricky, uncertain, unpredictable |
| Antonyms: | certain, positive, sure |
| Main Entry: | jeopardous |
| 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, loaded, malignant, menacing, mortal, nasty, on collision course, parlous, 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 |