| Main Entry: | nocuous |
| Part of Speech: | adjective |
| Definition: | noxious |
Synonyms: |
dangerous, deadly, harmful, injurious, malignant, poisonous |
| Main Entry: | nocuous |
| Part of Speech: | adjective |
| Definition: | dangerous |
Synonyms: |
damaging, deadly, harmful, injurious, noxious |
| 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: | 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: | 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 |
| 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, libeling, mischievous, nocent, nocuous, noxious, opprobrious, pernicious, poisonous, prejudicial, ruinous, slanderous, unconducive, unhealthy, unjust, wrongful |
Antonyms: |
aiding, assisting, beneficial, constructive, curing, fixing, good, healing, helpful, mending, nice |
| 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 |