Meaning of “toxic” in the English Dictionary

"toxic" in American English

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us /ˈtɑk·sɪk/

biology, chemistry poisonous, or relating to poisonous substances

(Definition of “toxic” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"toxic" in Business English

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uk /ˈtɒksɪk/ us


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” from the Cambridge Business English Dictionary © Cambridge University Press)