Which one of the following is declared the ‘Word of the Year’ for 2018

Which one of the following is declared the ‘Word of the Year’ for 2018 by the Oxford Dictionary?

Post-truth
Youthquake
Vape
Toxic
This question was previously asked in
UPSC CISF-AC-EXE – 2019
‘Toxic’ was declared the ‘Word of the Year’ for 2018 by the Oxford Dictionary.
– Oxford Dictionaries selects a ‘Word of the Year’ that is judged to reflect the ethos, mood, or preoccupations of the past twelve months, and have lasting potential as a term of cultural significance.
– In 2018, ‘toxic’ was chosen due to a significant increase in its usage in relation to a wide range of topics, including ‘toxic environment’, ‘toxic relationship’, ‘toxic culture’, ‘toxic masculinity’, and ‘toxic air’.
‘Post-truth’ was the word of the year for 2016, ‘Youthquake’ for 2017, and ‘Vape’ was a strong contender and had been nominated in previous years.