| 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: | bad |
| Part of Speech: | adjective |
| Definition: | harmful |
| Synonyms: | damaging, dangerous, deleterious, detrimental, hurtful, injurious, ruinous, unhealthy |
| Notes: | badly is an adverb to describe an activity; bad is an adjective to describe a condition or state |
| Antonyms: | advantageous, beneficial, benevolent, good, honest, profitable, virtuous |
| Main Entry: | damaging |
| Part of Speech: | adjective |
| Definition: | hurtful to reputation |
| Synonyms: | bad, deleterious, detrimental, disadvantageous, evil, harmful, injurious, mischievous, nocent, nocuous, prejudicial, ruinous |
| Antonyms: | beneficial, favorable, helpful |
| Main Entry: | deleterious |
| Part of Speech: | adjective |
| Definition: | harmful, damaging |
| Synonyms: | bad, destroying, destructive, detrimental, hurtful, injurious, mischievous, nocent, nocuous, pernicious, prejudicial, prejudicious, ruining, ruinous |
| Antonyms: | aiding, assisting, helpful |
| 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: | destructive |
| Part of Speech: | adjective |
| Definition: | hurtful, disparaging |
| Synonyms: | abrasive, adverse, antagonistic, cankerous, caustic, contrary, corrosive, deleterious, derogatory, detrimental, discouraging, discrediting, erosive, hostile, injurious, invalidating, negative, offensive, opposed, troublesome, undermining, vicious |
| Antonyms: | encouraging, hopeful, positive |
| 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: | hurtful |
| Part of Speech: | adjective |
| Definition: | injurious, cruel |
| Synonyms: | aching, afflictive, bad, cutting, damaging, dangerous, deadly, deleterious, destructive, detrimental, disadvantageous, distressing, evil, harmful, hurting, malicious, mean, mischievous, nasty, nocuous, noxious, ominous, pernicious, poisonous, prejudicial, spiteful, unkind, upsetting, wounding |
| Antonyms: | aiding, assisting, harmless, helpful, helping, kind, nice, relieving |
| 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 |