Related Searches
on Ask.com
harmful - 20 thesaurus results
| Main Entry: | harmful |
| Part of Speech: | adjective |
| Definition: | injurious, hurtful |
| Synonyms: | adverse, bad, baleful, baneful, calamitous, consumptive, corrupting, damaging, deleterious, destructive, detrimental, dire, disadvantageous, disastrous, evil, incendiary, inimical, internecine, malicious, malignant, menacing, mischievous, murderous, nocuous, noxious, painful, pernicious, pestiferous, risky, ruinous, sinful, sinister, subversive, toxic, unhealthy, unsafe, unwholesome, virulent, cataclysmic, catastrophic, corroding, crippling, harassing, malefic, pestilential, undermining |
| Main Entry: | baleful |
| Part of Speech: | adjective |
| Definition: | menacing |
| Synonyms: | calamitous, deadly, dire, evil, foreboding, harmful, hurtful, injurious, malevolent, malignant, noxious, ominous, pernicious, ruinous, sinister, threatening, venomous, vindictive, woeful |
| 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, auspicious, favorable, good, helping, promising |
| Main Entry: | baneful |
| Part of Speech: | adjective |
| Definition: | ruinous, injurious |
| Synonyms: | baleful, calamitous, deadly, deleterious, destructive, disastrous, evil, fatal, harmful, hurtful, noxious, pernicious, pestilent, poisonous, venomous, wicked, malefic, pestilential |
| Antonyms: | advantageous, beneficial, fortunate, helpful, lucky, beneficient |
| Main Entry: | calamitous |
| Part of Speech: | adjective |
| Definition: | disastrous; tragic |
| Synonyms: | adverse, deadly, deplorable, devastating, dire, fatal, grievous, harmful, heartbreaking, lamentable, messy, pernicious, regrettable, ruinous, unfavorable, unfortunate, woeful, afflictive, blighting, cataclysmic, catastrophic |
| Antonyms: | blessed, comforting, favorable, fortunate, happy, joyous, wonderful |
| Main Entry: | damaging |
| Part of Speech: | adjective |
| Definition: | hurtful to reputation |
| Synonyms: | bad, deleterious, detrimental, disadvantageous, evil, harmful, injurious, mischievous, nocuous, prejudicial, ruinous, nocent |
| Antonyms: | beneficial, favorable, helpful |
| Main Entry: | detrimental |
| 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: | disadvantageous |
| Part of Speech: | adjective |
| Definition: | detrimental, inconvenient |
| Synonyms: | adverse, contrary, damaging, deleterious, derogatory, disparaging, downside, harmful, hurtful, ill-timed, inexpedient, injurious, inopportune, objectionable, pejorative, prejudicial, slighting, unfavorable, unprofitable, debit-side, depreciative, depreciatory, detracting, dyslogistic, on the debit side, uncomplimentary |
| Antonyms: | advantageous, convenient, helpful, well-timed |
| Main Entry: | disastrous |
| Part of Speech: | adjective |
| Definition: | detrimental, devastating |
| Synonyms: | adverse, calamitous, destructive, dire, dreadful, fatal, fateful, hapless, harmful, ill-fated, luckless, ruinous, terrible, tragic, unfavorable, unfortunate, unlucky, unpropitious, untoward, cataclysmal, cataclysmic, catastrophic, ill-starred |
| Antonyms: | blessed, fortunate, lucky, miraculous, prosperous, successful, triumphant, winning, wondrous |
| 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, malevolent, malicious, malignant, nefarious, obscene, offensive, pernicious, poison, reprobate, repugnant, repulsive, revolting, spiteful, stinking, ugly, unpleasant, unpropitious, vicious, vile, villainous, wicked, wrathful, wrong, maleficent, no good, rancorous |
| Antonyms: | auspicious, decent, good, honest, moral, sinless, upright, virtuous |
| Main Entry: | grievous |
| Part of Speech: | adjective |
| Definition: | severe, painful; serious |
| Synonyms: | agonizing, appalling, atrocious, calamitous, damaging, deplorable, dire, dismal, disquieting, distressing, disturbing, dreadful, egregious, flagrant, glaring, grave, harmful, heavy*, heinous, hurtful, injurious, intolerable, lamentable, monstrous, mournful, offensive, onerous, oppressive, outrageous, pathetic, pitiful, sad, shameful, sharp, shocking, sorrowful, taxing, tough, tragic, troublesome, unbearable, villainous, weighty*, afflicting, heart-rending, upsetting, wounding |
| Antonyms: | good, harmless, pleasant |
* = informal/non-formal usage
| Main Entry: | hurtful |
| Part of Speech: | adjective |
| Definition: | injurious, cruel |
| Synonyms: | bad, cutting, damaging, dangerous, deadly, deleterious, destructive, detrimental, disadvantageous, distressing, evil, harmful, malicious, mean, mischievous, nasty, nocuous, noxious, ominous, pernicious, poisonous, prejudicial, spiteful, unkind, aching, afflictive, hurting, upsetting, wounding |
| Antonyms: | assisting, harmless, helpful, helping, kind, nice, aiding, relieving |
| Main Entry: | inimical |
| Part of Speech: | adjective |
| Definition: | antagonistic, contrary |
| Synonyms: | adverse, antipathetic, destructive, disaffected, harmful, hostile, hurtful, ill, injurious, noxious, opposed, pernicious, repugnant, unfavorable, unfriendly, ill-disposed, inimicable, oppugnant, unwelcoming |
| Antonyms: | friendly, hospitable, kind |
| Main Entry: | injurious |
| Part of Speech: | adjective |
| Definition: | hurtful |
| Synonyms: | abusive, adverse, bad, baneful, corrupting, damaging, dangerous, deadly, deleterious, destructive, detrimental, disadvantageous, evil, harmful, iniquitous, insulting, mischievous, nocuous, noxious, opprobrious, pernicious, poisonous, prejudicial, ruinous, slanderous, unhealthy, unjust, wrongful, libeling, nocent, unconducive |
| Antonyms: | assisting, beneficial, constructive, curing, fixing, good, healing, helpful, mending, nice, aiding |
| Main Entry: | lethal |
| Part of Speech: | adjective |
| Definition: | deadly |
| Synonyms: | baleful, dangerous, deathly, destructive, devastating, fatal, harmful, hurtful, malignant, mortal, mortuary, murderous, noxious, pernicious, pestilent, poisonous, virulent, mortiferous, necrotic, pestilential |
| Antonyms: | beneficial, harmless, helpful, life-giving |
| Main Entry: | lousy |
| Part of Speech: | adjective |
| Definition: | very bad |
| Synonyms: | awful, base, contemptible, despicable, dirty, execrable, faulty, harmful, hateful, horrible, inferior, low, mean, miserable, outrageous, poor, rotten, second-rate*, shoddy, slovenly, terrible, unpopular, unwelcome, vicious, vile, disliked, no good |
| Antonyms: | good, great, magnificent, wonderful |
* = informal/non-formal usage
| Main Entry: | malign |
| Part of Speech: | adjective |
| Definition: | hurtful, injurious |
| Synonyms: | antagonistic, antipathetic, bad, baleful, baneful, deleterious, destructive, detrimental, evil, harmful, hateful, hostile, inimical, malevolent, malignant, noxious, pernicious, sinister, spiteful, vicious, wicked, despiteful, malefic, maleficent, rancorous |
| Antonyms: | benign, helpful, nice, aiding |
| Main Entry: | mischievous |
| Part of Speech: | adjective |
| Definition: | devilish, wicked |
| Synonyms: | arch, artful, bad, bothersome, damaging, dangerous, deleterious, destructive, detrimental, evil, foxy*, frolicsome, harmful, hazardous, holy terror*, hurtful, ill, impish, injurious, insidious, irksome, malicious, malignant, naughty, nocuous, perilous, pernicious, playful, precarious, puckish, rascal, risky, rude, sinful, sly, spiteful, sportive, teasing, tricky, troublesome, vexatious, vicious, wayward, dickens, exasperating, ill-behaved, misbehaving, rascally, vexing |
| Antonyms: | good, nice, obedient, behaved |
* = informal/non-formal usage
| Main Entry: | noisome |
| Part of Speech: | adjective |
| Definition: | immoral, bad, offensive |
| Synonyms: | baneful, dangerous, deadly, deleterious, disgusting, fetid, foul, harmful, hurtful, injurious, loathsome, malodorous, mephitic, mischievous, nauseating, noxious, pernicious, pestiferous, poisonous, putrid, rank, repulsive, sickening, sickly, smelly, stinking, unhealthful, unhealthy, unwholesome, vile, yucky*, horrid, insalubrious, insalutary, pestilential, reeking |
| Antonyms: | good, just, moral, upright |
* = informal/non-formal usage
| Main Entry: | noxious |
| Part of Speech: | adjective |
| Definition: | deadly, injurious |
| Synonyms: | baneful, corrupting, dangerous, deleterious, destructive, detrimental, fetid, foul, harmful, hurtful, noisome, pernicious, pestiferous, pestilent, poisonous, putrid, sickly, spoiled, stinking, toxic, unhealthful, unhealthy, unwholesome, venomous, virulent, insalubrious, insalutary, pestilential |
| Antonyms: | curing, good, healthy, helpful, hygienic, pure, sterile, wholesome |
| Main Entry: | pernicious |
| Part of Speech: | adjective |
| Definition: | bad, hurtful |
| Synonyms: | baleful, damaging, dangerous, deadly, deleterious, destructive, detrimental, devastating, evil, fatal, harmful, iniquitous, injurious, killing, lethal, malevolent, malicious, malign, malignant, mortal, nefarious, noisome, noxious, offensive, pestiferous, pestilent, poisonous, prejudicial, ruinous, sinister, toxic, venomous, virulent, wicked, maleficent, miasmatic, miasmic, pestilential |
| Antonyms: | helpful, innocuous, kind, lovable, loving |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.
