| Main Entry: | perilous |
| Part of Speech: | adjective |
| Definition: | dangerous |
Synonyms: |
Russian roulette, chancy, delicate, dicey, dynamite, exposed, hairy*, hazardous, insecure, loaded, on thin ice, playing with fire, precarious, risky, rugged, shaky, threatening, ticklish, touch and go, touchy, treacherous, uncertain, unhealthy, unsafe, unsound, unstable, unsteady, unsure, vulnerable, wicked* |
Antonyms: |
ok, safe, secure |
| 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: | 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 |
| Main Entry: | dangerous |
| 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 |
| Main Entry: | explosive |
| Part of Speech: | adjective |
| Definition: | volatile, dangerous |
Synonyms: |
at the boiling point, bursting, charged, consequential, convulsive, detonating, detonative, ebullient, eruptive, fiery, forceful, frenzied, fulminant, fulminating, hazardous, impetuous, meteoric, overwrought, perilous, raging, rampant, stormy, tense, touchy, ugly, uncontrollable, unstable, vehement, violent, wild |
Antonyms: |
calm, peaceful, safe |
| Main Entry: | grave |
| Part of Speech: | adjective |
| Definition: | crucial, dangerous |
Synonyms: |
acute, afflictive, consequential, critical, deadly, destructive, dire, exigent, fatal, fell, grievous, hazardous, heavy*, important, killing*, life-and-death, major, momentous, of great consequence, ominous, perilous, pressing, serious, severe, significant, threatening, ugly, urgent, vital, weighty |
Antonyms: |
inconsequential, trivial, unimportant |
| Main Entry: | hairy |
| Part of Speech: | adjective |
| Definition: | dangerous |
Synonyms: |
chancy, difficult, hazardous, jeopardous, perilous, risky, scary, treacherous, uncertain, unhealthy, unsound, wicked |
Antonyms: |
calm, safe |
| 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: | insecure |
| Part of Speech: | adjective |
| Definition: | dangerous, precarious |
Synonyms: |
defenseless, exposed, fluctuant, frail, hazardous, immature, insubstantial, loose, open to attack, perilous, rickety, rocky, rootless, shaky, unguarded, unprotected, unreliable, unsafe, unshielded, unsound, unstable, unsteady, vacillating, vulnerable, wavering, weak, wobbly |
Antonyms: |
guarded, protected, safe, secure, sound |
| Main Entry: | insidious |
| Part of Speech: | adjective |
| Definition: | sneaky, tricky |
Synonyms: |
Machiavellian, artful, astute, corrupt, crafty, crooked, cunning, dangerous, deceitful, deceptive, deep, designing, dishonest, disingenuous, duplicitous, ensnaring, false, foxy, guileful, intriguing, like a snake in the grass, perfidious, perilous, secret, slick, sly, smooth, snaky, sneaking, stealthy, subtle, surreptitious, treacherous, wily, wormlike |
| Notes: | insidious (Latin insidere 'to lie in wait for,' from sedere 'sit') describes stealthy, treacherous behavior; invidious behavior arouses ill will, animosity, or hostility |
Antonyms: |
fair, honest, open, sincere |