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English definition of “toxic”

toxic

adjective     /ˈtɒksɪk/
poisonous: toxic to sb/sth These substances can be toxic to humans.toxic chemical/substance/material The company has cut toxic chemicals from its printing process.
very unpleasant or unacceptable: The atmosphere at work had become positively toxic.
(Definition of toxic adjective from the Cambridge Business English Dictionary © Cambridge University Press)
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