Hikikomori is originally Japanese, meaning for the people who are detached from the society and stays home most of the time.
It’s now officially in the Queen’s dictionary… well Oxford’s to be exact. The definition of the word remains the same and it’s a noun.
So to upcoming ‘O’ Level and ‘A’ Level students, here are a few mores words you can use in your composition. LOL
Source: Japanese Times
Website: Oxford Dictionary Online
PS: did you know Otaku is also in the dictionary?