if you want to have a rich vocabulary in English languages you must follow these strategies:
1 reading : read often and a lot, reading is the best way to get new vocabulary
2 makes friend with the dictionary
3 use it or lose it : - say them a loud - write them down - create sentences with them - try to use them in a conversation -discuss them with friends
4 learn one new word a day : using Meriem Webster New Words
5 understand the true meaning of the words : understand prefix and sufix - understand the logic behind the word
6 maintain a personal lexicon
7 follow a process
8 play and have fun