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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | damaging, disadvantageous |
| Synonyms: | adverse, bad, baleful, deleterious, destructive, disturbing, evil, harmful, hurtful, ill, inimical, injurious, mischievous, negative, nocuous, pernicious, prejudicial, unfavorable |
| Antonyms: | advantageous, assisting, beneficial, helpful, profitable |
| Main Entry: | grievous |
| Part of Speech: | adjective |
| Definition: | severe, painful; serious |
| Synonyms: | afflicting, agonizing, appalling, atrocious, calamitous, damaging, deplorable, dire, dismal, disquieting, distressing, disturbing, dreadful, egregious, flagrant, glaring, grave, harmful, heart-rending, heavy*, heinous, hurtful, injurious, intolerable, lamentable, monstrous, mournful, offensive, onerous, oppressive, outrageous, pathetic, pitiful, sad, shameful, sharp, shocking, sorrowful, taxing, tough, tragic, troublesome, unbearable, upsetting, villainous, weighty, wounding |
| Antonyms: | good, harmless, pleasant |
* = informal/non-formal usage
| Main Entry: | ill |
| Part of Speech: | adjective |
| Definition: | bad, evil |
| Synonyms: | acrimonious, adverse, antagonistic, cantankerous, cross, damaging, deleterious, detrimental, disrespectful, disturbing, foreboding, foul, harmful, harsh, hateful, hostile, hurtful, ill-mannered, impertinent, inauspicious, inimical, iniquitous, injurious, malevolent, malicious, nocent, nocuous, noxious, ominous, ruinous, sinister, sullen, surly, threatening, unfavorable, unfortunate, unfriendly, ungracious, unhealthy, unkind, unlucky, unpromising, unpropitious, unwholesome, vile, wicked, wrong |
| Antonyms: | good |
| Main Entry: | inimical |
| Part of Speech: | adjective |
| Definition: | antagonistic, contrary |
| Synonyms: | adverse, antipathetic, destructive, disaffected, harmful, hostile, hurtful, ill, ill-disposed, inimicable, injurious, noxious, opposed, oppugnant, pernicious, repugnant, unfavorable, unfriendly, unwelcoming |
| Antonyms: | friendly, hospitable, kind |
| Main Entry: | insulting |
| Part of Speech: | adjective |
| Definition: | abusive |
| Synonyms: | biting, degrading, derogatory, discourteous, disparaging, disrespectful, hurtful, insolent, offensive, repulsive, ridiculing, rude, slighting, uncivil |
| 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 |
| Main Entry: | mischievous |
| Part of Speech: | adjective |
| Definition: | devilish, wicked |
| Synonyms: | arch, artful, bad, bothersome, damaging, dangerous, deleterious, destructive, detrimental, dickens, evil, exasperating, foxy*, frolicsome, harmful, hazardous, holy terror, hurtful, ill, ill-behaved, impish, injurious, insidious, irksome, malicious, malignant, misbehaving, naughty, nocuous, perilous, pernicious, playful, precarious, puckish, rascal, rascally, risky, rude, sinful, sly, spiteful, sportive, teasing, tricky, troublesome, vexatious, vexing, vicious, wayward |
| Antonyms: | behaved, good, nice, obedient |
* = informal/non-formal usage
| Main Entry: | noisome |
| Part of Speech: | adjective |
| Definition: | immoral, bad, offensive |
| Synonyms: | baneful, dangerous, deadly, deleterious, disgusting, fetid, foul, harmful, horrid, hurtful, injurious, insalubrious, insalutary, loathsome, malodorous, mephitic, mischievous, nauseating, noxious, pernicious, pestiferous, pestilential, poisonous, putrid, rank, reeking, repulsive, sickening, sickly, smelly, stinking, unhealthful, unhealthy, unwholesome, vile, yucky |
| Notes: | noisome means noxious, harmful, unwholesome or offensive to the smell or other senses, while noisy means full of or characterized by loud and nonmusical sounds |
| Antonyms: | good, just, moral, upright |
| Main Entry: | noxious |
| 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 |
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.
