Almost everyone who studies English has kept a word list at some point: a column of words, a column of meanings, memorised the night before and gone by the end of the week. That is not a memory problem. A word you have met once, in one place, has no particular reason to stay.
Five habits that make words stay
- Read a little every day. Ten minutes daily does more than two hours on a Sunday, because the same words come back to you across different texts. Picking a word out of a real sentence also hands you the situation it belongs to, not just its meaning.
- Space your reviews. Put new words on small cards and return to them after a day, three days, a week and a month. A review that lands just before you would have forgotten holds far better than ten reviews in one evening.
- Learn words with their partners. English leans heavily on ordinary pairings such as make a decision, heavy rain and take a risk. Store the pairing and you never have to guess which word belongs with which while you are speaking.
- Use the word within 24 hours. Drop it into a message, a journal line, or one sentence you say out loud in class. Once used, a word moves from something you recognise to something you own.
- Keep topic lists. Group words around the subjects you actually talk about, such as work, health or travel. Related words remind you of each other, and you arrive at the conversation already carrying what it needs.
All five work for the same reason: each one makes you retrieve the word instead of looking at it. Rereading a list feels productive because everything on it looks familiar, but recognising a word is not the same as being able to reach for it.
You do not have to run all five at once. Pick the two you can realistically keep this week, say ten minutes of reading and one new word used every day, and add the others once those two stop requiring willpower.
The useful measure of a vocabulary is never the length of the list. Ten words you genuinely use in conversation will take you further than a hundred you half remember.