152 Another Word for Poisonous? – Poisonous Synonyms & Antonyms

Want to say Poisonous differently? Here are other words for Poisonous and its similar synonyms and opposite words to say in unique way.


Meaning of Poisonous

Causing harm or death if ingested, inhaled, or having physical contact

Etymology of Poisonous

The word "poisonous" has its roots in the Old French word "poison," which is derived from the Latin word "potio," meaning "a drink"
Historically, the term "poisonous" was used to describe substances that could cause harm or death if ingested, and over time, its meaning has expanded to include substances that can cause harm through other means, such as inhalation or physical contact

Synonyms

toxic deadly venomous hazardous harmful noxious pernicious lethal fatal malignant baneful deleterious injurious corrosive caustic destructive ruinous calamitous disastrous poisonous virulent malignant pestilential contaminated tainted polluted spoiled adulterated corrupted infected diseased morbid septic toxicant poisonous pestiferous noisome fetid foul loathsome nauseating sickening nauseous

Definitions

  • Having a harmful or deadly effect if ingested, inhaled, or having physical contact
  • Causing harm or death, especially through being ingested, inhaled, or having physical contact
  • Containing or being a substance that can cause harm or death if ingested, inhaled, or having physical contact

Usage Examples

  • The poisonous snake's venom was highly toxic and could kill a person within minutes
  • The air in the city was poisonous due to the high levels of pollution
  • The doctor warned the patient about the poisonous side effects of the medication

Antonyms

harmless safe non-toxic benign innocuous mild moderate neutral harmless healthful wholesome salubrious beneficial curative remedial therapeutic restorative sanitary hygienic clean pure fresh untainted unadulterated uncontaminated unpolluted
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