| Main Entry: | virulent |
| Part of Speech: | adjective |
| Definition: | poisonous, lethal |
Synonyms: |
baneful, deadly, destructive, fatal, harmful, infective, injurious, malign, malignant, mephitic, pernicious, poison, septic, toxic, toxicant, unhealthy, unwholesome, venomous |
Antonyms: |
harmless, healthy, nonpoisonous |
| Main Entry: | virulent |
| Part of Speech: | adjective |
| Definition: | hostile |
Synonyms: |
acrimonious, antagonistic, bitter, cutting, hateful, malevolent, malicious, rancorous, resentful, scathing, sharp, spiteful, splenetic, stabbing, unfriendly, venomous, vicious, vindictive, vitriolic |
Antonyms: |
gentle, kind, nice |
| Main Entry: | bitter |
| Part of Speech: | adjective |
| Definition: | hostile, nasty |
Synonyms: |
acrimonious, alienated, antagonistic, begrudging, biting, caustic, crabby, divided, embittered, estranged, fierce, freezing, hateful, intense, irreconcilable, morose, rancorous, resentful, sardonic, severe, sore, sour, stinging, sullen, virulent, vitriolic, with chip on shoulder |
Antonyms: |
agreeable, content, genial, kind, nice, pleasant, sweet |
| Main Entry: | caustic |
| Part of Speech: | adjective |
| Definition: | sarcastic |
Synonyms: |
acerb, acerbic, acrimonious, bitter, cutting, harsh, incisive, pithy, pungent, rough, salty, satiric, scathing, severe, sharp, stinging, trenchant, virulent |
Antonyms: |
kind, nice, unsarcastic |
| Main Entry: | corrosive |
| Part of Speech: | adjective |
| Definition: | consuming, wearing; bitter |
Synonyms: |
acerb, acerbic, acrid, biting, caustic, corroding, cutting, destructive, erosive, incisive, sarcastic, strongly acid, trenchant, venomous, virulent, wasting |
Antonyms: |
contributing, fortifying, supporting |
| Main Entry: | cruel |
| Part of Speech: | adjective |
| Definition: | vicious, pitiless; causing pain |
Synonyms: |
atrocious, barbarous, bestial, bitter, bloodthirsty, brutal, brutish, callous, cold-blooded, degenerate, demoniac, depraved, evil, excruciating, ferocious, fierce, flinty, hard, hard-hearted, harsh, hateful, heartless, hellish, implacable, inexorable, inhuman, inhumane, malevolent, merciless, monstrous, painful, pernicious, poignant, rancorous, relentless, revengeful, ruthless, sadistic, sinful, spiteful, tyrannical, unfeeling, unkind, unnatural, unrelenting, vengeful, vicious, virulent, wicked |
Antonyms: |
charitable, compassionate, considerate, feeling, gentle, kind, merciful, sympathetic, thoughtful, uncruel |
| Main Entry: | deadly |
| Part of Speech: | adjective |
| Definition: | causing end of life |
Synonyms: |
baleful, baneful, bloodthirsty, bloody, cannibalistic, carcinogenic, cruel, dangerous, death-dealing, deathly, deleterious, destroying, destructive, fatal, grim, harmful, homicidal, injurious, internecine, killing, lethal, malignant, mortal, mortiferous, murderous, noxious, pernicious, pestiferous, pestilent, pestilential, poisonous, ruthless, savage, slaying, suicidal, toxic, unrelenting, venomous, violent, virulent |
| Notes: | deadly means causing or capable of causing death while deathly means having the physical appearance of death |
Antonyms: |
animating, energizing, harmless, healthful, healthy, invigorating, wholesome |
| Main Entry: | fatal |
| Part of Speech: | adjective |
| Definition: | deadly, lethal |
Synonyms: |
baleful, baneful, calamitous, cataclysmic, catastrophic, deathly, destructive, disastrous, fateful, final, ill-fated, ill-starred, incurable, inevitable, killing, malefic, malignant, mortal, mortiferous, noxious, pernicious, pestilent, pestilential, poisonous, ruinous, terminal, virulent |
Antonyms: |
healthful, life-giving, nourishing, vital, wholesome |
| 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: | hostile |
| Part of Speech: | adjective |
| Definition: | antagonistic, mean |
Synonyms: |
adverse, alien, allergic, anti*, argumentative, bellicose, belligerent, bitter, catty, chill*, cold*, competitive, contentious, contrary, disapproving, dour, hateful, ill-disposed, inhospitable, inimical, malevolent, malicious, malignant, militant, nasty, opposed, opposite, oppugnant, ornery*, pugnacious, rancorous, scrappy, sour*, spiteful, surly, unfavorable, unfriendly, unkind, unpropitious, unsociable, unsympathetic, unwelcoming, viperous, virulent, vitriolic, warlike |
Antonyms: |
agreeable, friendly, gentle, kind, nice, welcoming |