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| Main Entry: | |
| 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: | infectious |
| Part of Speech: | adjective |
| Definition: | catching, spreading |
| Synonyms: | communicable, contagious, contaminating, corrupting, defiling, diseased, epidemic, infective, mephitic, miasmic, noxious, pestilent, pestilential, poisoning, polluting, toxic, transferable, transmittable, virulent, vitiating |
| Notes: | diseases spread by contact are contagious and those spread by air or water are infectious |
| Antonyms: | antiseptic, germless, harmless, non-infectious, uncommunicable, uncontagious |
| 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: | 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: | 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: | malicious |
| Part of Speech: | adjective |
| Definition: | hateful |
| Synonyms: | awful, bad-natured, baleful, beastly, bitter, catty, cussed, deleterious, despiteful, detrimental, envious, evil, evil-minded, green*, green-eyed, gross*, ill-disposed, injurious, jealous, low, malevolent, malign, malignant, mean, mischievous, nasty, noxious, ornery, pernicious, petty, poisonous, rancorous, resentful, spiteful, uncool, vengeful, venomous, vicious, virulent, wicked |
| Notes: | while malevolent suggests deep and lasting dislike, malicious usually means petty and spiteful |
| Antonyms: | benevolent, friendly, good, kind, likeable, sympathetic, thoughtful |
* = informal/non-formal usage
| Main Entry: | malign |
| Part of Speech: | adjective |
| Definition: | hurtful, injurious |
| Synonyms: | antagonistic, antipathetic, bad, baleful, baneful, deleterious, despiteful, destructive, detrimental, evil, harmful, hateful, hostile, inimical, malefic, maleficent, malevolent, malignant, noxious, pernicious, rancorous, sinister, spiteful, vicious, wicked |
| Antonyms: | aiding, benign, helpful, nice |
| Main Entry: | malodorous |
| Part of Speech: | adjective |
| Definition: | foul-smelling |
| Synonyms: | bad, decayed, decomposed, fetid, foul, frowzy, funky*, fusty, gamy, high*, infested, lousy, mephitic, musty, nasty, nauseating, noisome, noxious, off*, offensive, pestilential, poisonous, polluted, putrid, rancid, rank, reeking, rotten, smelly, stale, stenchful, stinking, strong, tainted, vile |
| Antonyms: | aromatic, fragrant, perfumed, savory, sweet |
* = informal/non-formal usage
| Main Entry: | mortal |
| Part of Speech: | adjective |
| Definition: | deadly |
| Synonyms: | bitter, death-dealing, deathly, destructive, dire, ending, extreme, fatal, grave, great, grievous, grim, intense, killing, last, lethal, malignant, merciless, monstrous, mortiferous, murderous, noxious, pestilent, pestilential, poisonous, relentless, remorseless, ruthless, severe, terminal, terrible, unrelenting |
| Antonyms: | invigorating, lifegiving, permanent, refreshing |
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.
