| Main Entry: | viperous |
| Part of Speech: | adjective |
| Definition: | malicious, venomous |
Synonyms: |
bad-natured, baleful, bitter, evil, evil-minded, green-eyed, jealous, malevolent, mean, nasty, ornery, poisonous, rancorous, resentful, spiteful, vengeful, vicious, vindictive, wicked |
| 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: | hostile |
| Part of Speech: | adjective |
| Definition: | antagonistic, mean |
Synonyms: |
adverse, alien, allergic, anti*, argumentative, bellicose, belligerent, bitter, catty, chill*, cold*, competitive, contentious, contrary, disapproving, dour, hateful, ill-disposed, inhospitable, inimical, malevolent, malicious, malignant, militant, nasty, opposed, opposite, oppugnant, ornery*, pugnacious, rancorous, scrappy, sour*, spiteful, surly, unfavorable, unfriendly, unkind, unpropitious, unsociable, unsympathetic, unwelcoming, viperous, virulent, vitriolic, warlike |
| Notes: | a hostel is inexpensive supervised lodging, while hostile means characterized by enmity or ill will or very unfriendly or antagonistic |
Antonyms: |
agreeable, friendly, gentle, kind, nice, welcoming |
| Main Entry: | poison/poisonous |
| Part of Speech: | adjective |
| Definition: | harmful |
Synonyms: |
bad, baleful, baneful, corrupt, corruptive, dangerous, deadly, deleterious, destructive, detrimental, evil, fatal, hurtful, infective, lethal, malicious, malignant, mephitic, miasmatic, morbid, mortal, nocuous, noisome, noxious, peccant, pernicious, pestiferous, pestilential, septic, toxic, toxicant, toxiferous, venomous, vicious, viperous, virulent |
Antonyms: |
aiding, antidotal, assisting, curing, healing, helpful |
| Main Entry: | venomous |
| Part of Speech: | adjective |
| Definition: | poisonous; hateful |
Synonyms: |
accidentally on purpose, antagonistic, baleful, baneful, catty, cussed, deadly, destructive, dirty, evil, hostile, lethal, malefic, malevolent, malicious, malign, malignant, mean, mephitic, noxious, ornery*, rancorous, savage, spiteful, toxic, toxicant, vicious, vindictive, viperish, viperous, virulent, waspish |
Antonyms: |
kind, praising, unpoisonous |
| Main Entry: | poisonous |
| Part of Speech: | adjective |
| Definition: | harmful |
Synonyms: |
bad, baleful, baneful, corrupt, corruptive, dangerous, deadly, deleterious, destructive, detrimental, evil, fatal, hurtful, infective, lethal, malicious, malignant, mephitic, miasmatic, morbid, mortal, nocuous, noisome, noxious, peccant, pernicious, pestiferous, pestilential, poison, septic, toxic, toxicant, toxiferous, venomous, vicious, viperous, virulent |
Antonyms: |
benevolent, harmless, non-toxic |
| 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 |
| Main Entry: | mephitical |
| Part of Speech: | adjective |
| Definition: | poisonous |
Synonyms: |
bad, baleful, baneful, corrupt, corruptive, dangerous, deadly, deleterious, destructive, detrimental, evil, fatal, hurtful, infective, lethal, malicious, malignant, mephitic, miasmatic, morbid, mortal, nocuous, noisome, noxious, peccant, pernicious, pestiferous, pestilential, poison, septic, toxic, toxicant, toxiferous, venomous, vicious, viperous, virulent |
| Main Entry: | parlous |
| 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: | resentful |
| Part of Speech: | adjective |
| Definition: | hostile |
Synonyms: |
acrimonious, adverse, alien, allergic, anti*, argumentative, bellicose, belligerent, bitter, catty, chill*, cold*, competitive, contentious, contrary, disapproving, dour, embittered, hard, hateful, ill-disposed, inhospitable, inimical, malevolent, malicious, malignant, militant, nasty, opposed, opposite, oppugnant, ornery*, pugnacious, rancorous, scrappy, sour*, spiteful, surly, unfavorable, unfriendly, unkind, unpropitious, unsociable, unsympathetic, unwelcoming, viperous, virulent, vitriolic, warlike |