When you are conversing with someone, sitting in a debate or just watching some English movie, the main purpose is to understand what the narrator in any case is trying to convey. Actually, this is the only purpose behind your investing time listening to the conversation.
Now, by any chance if the speaker has a strong English and speaks numerous words that are just above your comprehending capability, just because you don’t have that strong vocabulary. At that point you might lag in the conversation, and you’ll miss on the whole meaning of the conversation because any piece of the conversation is missed can lead to irrelevant knowledge.
Thus, it is said to have your vocabulary strong enough so that you can easily understand what other native English speakers say and answer him desirably.
There are numerous fun and easy ways of improving your English like
-Learn a few words daily and use them in your conversation,
-Read books and articles which match your interest,
-Look up for words you don’t know in the dictionary and learn the meaning of that word.
-Practice words in different ways i.e. in verbal and non-verbal conversation.
-Learn synonyms of words.
-Play vocabulary games
-Speak and listen to native speakers, if you don’t get any around you, you can use some English speaking app like EngVarta. It can help you learn new words with correct pronunciation.