adjective

toxic

toxic, poisonous, harmful, venomous

Some mushrooms are toxic to humans.

Some mushrooms are toxic to humans.

He left a toxic work environment.

He left a toxic work environment.

toxic ((to sb./sth.)) poisonous for (sb./sth.) These chemicals are toxic to fish.

((a)) toxic ((noun)) a harmful (noun) It was a toxic relationship.

Synonyms: poisonous, harmful; Antonyms: harmless, non-toxic

From Greek 'toxikon', meaning '(poison) for arrows', derived from 'toxon' (bow).

Think of the skull and crossbones symbol, which often indicates something is 'toxic'.

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