>>1479378Read books. If you have a Kindle or the Kindle app on your phone, you can look up words in the built-in Oxford American dictionary. You can pirate your own books and use the app or your Kindle to read them.
I had a college professor (he taught linguistics and English for writing academic texts), and he said he looked up a ton of words using this feature, even though he's a highly educated native speaker from America. It also keeps track of the words you look up, and it gives you a list of words in context from the text you found them in.
I also recommend watching documentaries.
>>1479524>Social Communication DisorderIt's also a good idea to stop defining yourself by a list of labels that can be considered a "disorder" and focus your efforts on actually doing something instead.