The meaning of TOXIC is containing or being poisonous material especially when capable of causing death or serious debilitation. How to use toxic in a sentence.

TOXIC definition: of, pertaining to, affected with, or caused by a toxin or poison. See examples of toxic used in a sentence.

BoyWithUke - Toxic (Official Lyric Video) BoyWithUke 5.01M subscribers Subscribe

TOXIC definition: 1. poisonous: 2. very unpleasant or unacceptable: 3. causing you a lot of harm and unhappiness…. Learn more.

Definition of toxic adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. of, pertaining to, affected with, or caused by a toxin or poison: a toxic condition. 2. acting as or having the effect of a poison; poisonous: a toxic drug.

Dec 14, 2025 · toxic (comparative more toxic, superlative most toxic) Tobacco smoke contains many toxic substances. If some types of electronic waste aren’t incinerated at a high enough …

WordReference Random House Unabridged Dictionary of American English © 2025 tox•ic (tok′ sik), adj. of, pertaining to, affected with, or caused by a toxin or poison: a toxic condition. …

If you describe something such as a relationship, situation, or discussion as toxic, you mean that it is very bad or harmful. A recession and high unemployment is a politically toxic combination. …

a toxic substance/compound The fumes from that chemical are highly toxic. Tests will be run to determine if the landfill is toxic.