A unicorn is a start-up company valued at more than a billion dollars
Katherine Martin is back at Nine Worlds this year, and she's returned with some interesting new word suggestions.
Words invented for existing concepts to distinguish them from something new are known as retronyms.
The Brexit referendum in the UK has spawned a number of new portmanteaus.
Some words unique to Singapore have recently been included in the OED.
Unspun is a synonym for genuine or authentic.
The word Latinx is being considered for a future Oxford Dictionaries update.
The word burkini has entered widespread use this year.