Toxic meaning:

toxic meaning , definition , what is toxic : containing poison, or caused by poisonou...: Learn more. Learn the meaning of toxic as an adjective to describe something poisonous, harmful, or damaging. See examples, synonyms, pronunciation, and word origin of toxic . Toxic means of, relating to, or caused by a toxin or poison. Find out the origin, usage, and translations of toxic in different contexts and languages. toxic (comparative more toxic , superlative most toxic ) (toxicology, pharmacology) Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities. synonyms quotations Synonyms: poisonous, venomous Tobacco smoke contains many toxic substances.