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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | diseased |
| Synonyms: | cancerous, deadly, destructive, fatal, internecine, lethal, mortal, pestilential, poisonous |
| Antonyms: | benign, harmless, uncancerous |
| 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 |
* = 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: | evil |
| Part of Speech: | adjective |
| Definition: | sinful, immoral |
| Synonyms: | angry, atrocious, bad, baneful, base, beastly, calamitous, corrupt, damnable, depraved, destructive, disastrous, execrable, flagitious, foul, harmful, hateful, heinous, hideous, iniquitous, injurious, loathsome, low, maleficent, malevolent, malicious, malignant, nefarious, no good, obscene, offensive, pernicious, poison, rancorous, reprobate, repugnant, repulsive, revolting, spiteful, stinking, ugly, unpleasant, unpropitious, vicious, vile, villainous, wicked, wrathful, wrong |
| Antonyms: | auspicious, decent, good, honest, moral, sinless, upright, virtuous |
| Main Entry: | fatal |
| Part of Speech: | adjective |
| Definition: | deadly, lethal |
| Synonyms: | baleful, baneful, calamitous, cataclysmic, catastrophic, deathly, destructive, disastrous, fateful, final, ill-fated, ill-starred, incurable, inevitable, killing, malefic, malignant, mortal, mortiferous, noxious, pernicious, pestilent, pestilential, poisonous, ruinous, terminal, virulent |
| Notes: | use fatal for something which has caused someone's death; use lethal for something which is capable of killing someone |
| Antonyms: | healthful, life-giving, nourishing, vital, wholesome |
| Main Entry: | harmful |
| Part of Speech: | adjective |
| Definition: | injurious, hurtful |
| Synonyms: | adverse, bad, baleful, baneful, calamitous, cataclysmic, catastrophic, consumptive, corroding, corrupting, crippling, damaging, deleterious, destructive, detrimental, dire, disadvantageous, disastrous, evil, harassing, incendiary, inimical, internecine, malefic, malicious, malignant, menacing, mischievous, murderous, nocuous, noxious, painful, pernicious, pestiferous, pestilential, risky, ruinous, sinful, sinister, subversive, toxic, undermining, unhealthy, unsafe, unwholesome, virulent |
| 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 |
* = informal/non-formal usage
| Main Entry: | inhuman/inhumane |
| Part of Speech: | adjective |
| Definition: | animal, savage |
| Synonyms: | barbaric, barbarous, bestial, brutal, cannibalistic, cold-blooded, cruel, devilish, diabolical, fell, ferocious, fiendish, fierce, grim, hateful, heartless, implacable, malicious, malign, malignant, mean, merciless, pitiless, relentless, remorseless, ruthless, truculent, uncompassionate, unfeeling, unkind, unrelenting, unsympathetic, vicious |
| Antonyms: | animate, human/humane, sensate |
| Main Entry: | lethal |
| Part of Speech: | adjective |
| Definition: | deadly |
| Synonyms: | baleful, dangerous, deathly, destructive, devastating, fatal, harmful, hurtful, malignant, mortal, mortiferous, mortuary, murderous, necrotic, noxious, pernicious, pestilent, pestilential, poisonous, virulent |
| Notes: | use fatal for something which has caused someone's death; use lethal for something which is capable of killing someone |
| Antonyms: | beneficial, harmless, helpful, life-giving |
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.
