Think about situations where you can use these words that you want to remember, and create one of these situations.
Think and talk about this word (this idea), like in your own language.
Read novels and newspapers in english ! you will find the "real" (=really useful to underdstand) vocabulary. For example, the Financial Times (if you are interested in finance
All what you do, do it in english (in the language that you want to learn) : notebook, mails, work, games, etc. [In others words forget your native language.
Don't worry, vocabulary is one of our (my
) difficulties. I think that the words have to come themselves into your life (or you attract them).
Don't be pressed to learn vocabulary.
Nous sommes libres. Wir sind frei. We are free. Somos libres. Siamo liberi.