Word of the year by the Oxford English dictionary became the adjective “toxic” (toxic)
This is the website of the dictionary.
Interestingly, in 2018 the number of page views, which shows the meaning of the word “toxic” has increased by 45%. It was used literally and figuratively.
I should add that the expression “toxic chemicals” became popular even in the case of the poisoning of former Colonel of the Main investigative Directorate of Russia Sergei Skripal and his daughter Julia.
In addition, a big popularity over the years used the expression “toxic masculinity” on the background of scandals on sexual harassment.
The origin of the word “toxic”, the word Itself came into the English language from Latin in the seventeenth century. Latin in turn borrowed the word from Greek, where it meant “deadly poison”, used in the manufacture of arrows.