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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | hazardous, troubling |
| Synonyms: | alarming, bad, breakneck, chancy, critical, dangersome, deadly, delicate, dynamite, exposed, fatal, formidable, hairy*, heavy*, hot*, impending, impregnable, insecure, jeopardous, 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, viperous, vulnerable, wicked |
| Antonyms: | careful, guarded, safe, secure, unhazardous, untroubled |
* = informal/non-formal usage
| Main Entry: | adventurous |
| Part of Speech: | adjective |
| Definition: | daring, risk-taking |
| Synonyms: | adventuresome, audacious, bold, brave, courageous, dangerous, daredevil, enterprising, foolhardy, hazardous, headstrong, intrepid, rash, reckless, risky, temerarious, venturesome, venturous |
| Notes: | adventurous may be predicated of both a person and an undertaking and implies a willingness to accept risks but not necessarily imprudence; adventuresome is predicated only of a person |
| Antonyms: | careful, cautious, prudent, unadventurous |
| Main Entry: | awkward |
| Part of Speech: | adjective |
| Definition: | difficult to handle |
| Synonyms: | annoying, bulky, chancy, cramped, cumbersome, dangerous, disagreeable, discommodious, hard to use, hazardous, incommodious, inconvenient, perilous, risky, troublesome, uncomfortable, unhandy, unmanageable, unwieldy |
| Antonyms: | convenient, easy, straightforward |
| Main Entry: | bad |
| Part of Speech: | adjective |
| Definition: | harmful |
| Synonyms: | damaging, dangerous, deleterious, detrimental, hurtful, injurious, ruinous, unhealthy |
| Notes: | badly is an adverb to describe an activity; bad is an adjective to describe a condition or state |
| Antonyms: | advantageous, beneficial, benevolent, good, honest, profitable, virtuous |
| Main Entry: | catching |
| Part of Speech: | adjective |
| Definition: | contagious (disease) |
| Synonyms: | communicable, dangerous, endemic, epidemic, epizootic, infectious, infective, miasmatic, pandemic, pestiferous, pestilential, taking, transferable, transmittable |
| Antonyms: | uncontagious |
| Main Entry: | critical |
| Part of Speech: | adjective |
| Definition: | urgently important |
| Synonyms: | acute, all-important, climacteric, conclusive, consequential, crucial, dangerous, deciding, decisive, desperate, determinative, dire, exceptive, grave, hairy*, hazardous, high-priority, integral, momentous, perilous, pivotal, precarious, pressing, risky, serious, significant, strategic, urgent, vital, weighty |
| Antonyms: | trivial, uncritical, unimportant |
* = informal/non-formal usage
| Main Entry: | deadly |
| Part of Speech: | adjective |
| Definition: | causing end of life |
| Synonyms: | baleful, baneful, bloodthirsty, bloody, cannibalistic, carcinogenic, cruel, dangerous, death-dealing, deathly, deleterious, destroying, destructive, fatal, grim, harmful, homicidal, injurious, internecine, killing, lethal, malignant, mortal, mortiferous, murderous, noxious, pernicious, pestiferous, pestilent, pestilential, poisonous, ruthless, savage, slaying, suicidal, toxic, unrelenting, venomous, violent, virulent |
| Notes: | deadly means causing or capable of causing death while deathly means having the physical appearance of death |
| Antonyms: | animating, energizing, harmless, healthful, healthy, invigorating, wholesome |
| Main Entry: | desperate |
| Part of Speech: | adjective |
| Definition: | reckless, outrageous |
| Synonyms: | atrocious, audacious, bold, careless, dangerous, daring, death-defying, determined, devil-may-care, foolhardy, frantic, frenzied, furious, hasty, hazardous, headlong, headstrong, heinous, impetuous, incautious, madcap, monstrous, precipitate, rash, risky, scandalous, shocking, venturesome, violent, wild |
| Antonyms: | confident, content, satisfied, secure, unworried |
| Main Entry: | dicey |
| Part of Speech: | adjective |
| Definition: | risky |
| Synonyms: | capricious, chancy, dangerous, difficult, erratic, fluctuant, iffy, incalculable, ticklish, tricky, uncertain, unpredictable, whimsical |
| Antonyms: | certain, safe, sure |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
