Get a notebook - Find a notebook that you can carry with you everywhere and that you won’t lose. Choose a nice cover so that you’ll actually want to open it.
Get a learner dictionary - Learner dictionaries are designed to use language that is clear for learners to understand.
Learn collocations - Learning fixed academic phrases like this will make you write more fluently, without having to think about the right words.
Learn synonyms - Only use synonyms that you are confident you have seen in the correct context.
Write words in a sentence that you can use - It’s great to learn the meaning of new words to help you with Reading and Listening.
Create a reliable review system - Set aside a regular time of day. Make this the time when you review ALL the new words from the week.
Audio records the words onto your phone - Try to mimic the online dictionary pronunciation of your specific list of words. Record this on your phone so you can listen and repeat it when you’re out.
Find a listening source that is suitable for IELTS - You can’t listen to IELTS all day, so find a high-quality podcast and news channel to build your listening skills.