Toxic
/tˈɑksɪk/
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Definition
(adj) Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.
Sentence Examples
Lobster tomalley can be toxic and it's best not to eat it.
The material is not toxic in itself.
CEFR Practice Quiz
Some types of mushrooms are highly ____ and can be very dangerous if they are accidentally eaten by anyone today.