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to the definitive record of the English language.

Oxford Languages Word of the Year 2021

Vax is our 2021 Word of the Year, reflecting the rapid upheaval and technological development of the past year. Download a report into the language of vaccines for the full story. 


October 2021 update


Our latest update: almost 100 new words, sub-entries, and revisions have been added to the Oxford English Dictionary in a special update on the language of climate change, including climate crisis, extreme weather, and mass extinction.

New words notes: learn what our language monitoring can reveal about the language of climate change in our new word notes by OED Executive Editors, Rosamund Ions and Kate Wild.
Release notes: discover what our editors have uncovered through their investigations into historical sources in this blog post by OED Executive Editor, Rosamund Ions.

New classroom materials: download our glossary posters to explore language related to the causes and impact of, and solutions to, climate change, or view two new lesson plans.

Podcast: in the months preceding this update, our editors have also contributed to The Climate Connection, a ten-part podcast series from the British Council which explores the relationship between the climate crisis and language eduction. Listen to the podcast or read the accompanying blog posts.

New features


OED Language Prejudice webinar

OED Appeals 

Can you help us to find earlier evidence for some of our dictionary entries?

Find out more about our OED antedatings appeal


Word of the day

flatshare, v.


intransitive. To share a flat with other people, typically as cohab...

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