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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | deadly, injurious |
| Synonyms: | baneful, corrupting, dangerous, deleterious, destructive, detrimental, fetid, foul, harmful, hurtful, insalubrious, insalutary, noisome, pernicious, pestiferous, pestilent, pestilential, poisonous, putrid, sickly, spoiled, stinking, toxic, unhealthful, unhealthy, unwholesome, venomous, virulent |
| Notes: | noxious means injurious to physical or mental health; obnoxious means very offensive, objectionable, or unpleasant |
| Antonyms: | curing, good, healthy, helpful, hygienic, pure, sterile, wholesome |
| Main Entry: | baneful |
| Part of Speech: | adjective |
| Definition: | ruinous, injurious |
| Synonyms: | baleful, calamitous, deadly, deleterious, destructive, disastrous, evil, fatal, harmful, hurtful, malefic, noxious, pernicious, pestilent, pestilential, poisonous, venomous, wicked |
| Notes: | something is baleful that intends or portends harm or injury; something is baneful that produces harm or injury - thus, a glance may be baleful, an herb or poison baneful |
| Antonyms: | advantageous, beneficial, beneficient, fortunate, helpful, lucky |
| Main Entry: | corrupt |
| Part of Speech: | adjective |
| Definition: | adulterated, rotten |
| Synonyms: | altered, contaminated, decayed, defiled, distorted, doctored, falsified, foul, infected, noxious, polluted, putrescent, putrid, tainted |
| Antonyms: | clean, pure, purified, sound, wholesome |
| 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: | deathly |
| Part of Speech: | adjective |
| Definition: | fatal |
| Synonyms: | deadly, extreme, intense, lethal, mortal, mortiferous, noxious, pestilent, pestilential, terrible |
| Notes: | deadly means causing or capable of causing death while deathly means having the physical appearance of death |
| Antonyms: | benign, harmless, healthful, healthy, life-giving, strengthening |
| Main Entry: | destructive |
| Part of Speech: | adjective |
| Definition: | injurious, devastating |
| Synonyms: | annihilative, baleful, baneful, calamitous, cancerous, cataclysmic, catastrophic, consumptive, cutthroat, damaging, deadly, deleterious, detrimental, dire, disastrous, eradicative, evil, extirpative, fatal, fell, harmful, hurtful, internecine, lethal, lethiferous, mortal, noisome, noxious, pernicious, pestiferous, pestilential, ruinous, slaughterous, suicidal, toxic, venomous, wrackful, wreckful |
| Antonyms: | aiding, assisting, building, creative, helpful, productive |
| 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: | fetid |
| Part of Speech: | adjective |
| Definition: | foul, rancid |
| Synonyms: | corrupt, fusty, grody, gross*, icky, loathsome, lousy, malodorous, mephitic, noisome, noxious, offensive, putrid, rank, reeking, repugnant, repulsive, revolting, rotten, smelly, stenchy, stinking, stinky, strong, yecchy, yucky |
| Antonyms: | aromatic, clean, fragrant, pure, sweet |
* = informal/non-formal usage
| 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 |
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.
