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POISONOUS
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Marked by deep ill will; deliberately harmful
Example:
vicious gossip
Synonyms:
Classified under:
Similar:
malicious (having the nature of or resulting from malice)
Derivation:
poison (anything that harms or destroys)
Sense 2
Meaning:
Not safe to eat
Classified under:
Similar:
inedible; uneatable (not suitable for food)
Derivation:
poison (any substance that causes injury or illness or death of a living organism)
Sense 3
Meaning:
Having the qualities or effects of a poison
Synonyms:
poisonous; toxicant
Classified under:
Adjectives
Similar:
toxic (of or relating to or caused by a toxin or poison)
Derivation:
poison (anything that harms or destroys)
Context examples:
The atmosphere was poisonous and horrible.
(The Lost World, by Sir Arthur Conan Doyle)
They are less poisonous than one would expect.
(His Last Bow, by Sir Arthur Conan Doyle)
They must control the disease without injuring the plant and must leave no poisonous residue on edible crops.
(Fungicide, NCI Thesaurus)
A colorless volatile poisonous liquid compound used as a solvent, fuel, aerosol, propellant and refrigerant.
(Dimethyl Ether, NCI Thesaurus)
An addictive, poisonous chemical found in tobacco.
(Nicotine, NCI Dictionary)
Glucuronic acid is highly soluble in water and is often linked to poisonous substances to allow for subsequent elimination and to hormones to allow for easier transport.
(Glucuronidation Pathway, NCI Thesaurus)
This condition is often caused by the administration of a pharmaceutical agent that initiates a poisonous or toxic response in cardiac tissue.
(Cardiotoxicity, NCI Thesaurus)
Two little rivers, or rather two swamps, emptied out into this pond, as you might call it; and the foliage round that part of the shore had a kind of poisonous brightness.
(Treasure Island, by Robert Louis Stevenson)
Methanol catches fire easily and is very poisonous.
(Methanol, NCI Dictionary)
A poisonous chemical found in some foods and plants, tobacco smoke, and when certain substances are burned.
(Cyanide, NCI Dictionary)
