Thesaurus

poisonous

adjective

Synonyms and Antonyms of poisonous

  1. containing or contaminated with a substance capable of injuring or killing a living thing <some evil person was leaving out poisonous meat for neighborhood dogs to eat> Synonyms envenomed, poison, poisoned, toxic, venomous Related Words contagious, infectious, infective, pathogenic, pestilent, pestilential; baneful, deleterious, harmful, hurtful, injurious, malignant, nocuous, noxious, virulent; unhealthful, unhealthy, unwholesome; calamitous, deadly, fatal, fell, lethal, murderous Near Antonyms beneficial, curative, healthful, healthy, helpful, palliative, remedial, salubrious, salutary, wholesome; benign, harmless, innocuous, inoffensive; nonfatal, nonlethal Antonyms nonpoisonous, nontoxic, nonvenomous


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