Blog
Teacher Ivan
March 30, 2026
Stop Memorizing Big Words: The Real Secret to a Band 7+ in IELTS Vocabulary
You spent three weeks staring at flashcards. You walked into the exam room, saw a prompt about the environment, and practically vibrated with excitement because you finally got to use "plethora" and "ubiquitous" in the same paragraph. You walked out feeling like an absolute genius.
Then the results dropped. Lexical Resource: 6.0.
What on earth happened?
I see this exact scenario play out constantly. Students think the examiner is sitting there with a checklist of obscure 19th-century vocabulary, just waiting to hand out Band 7s to anyone who sounds like a walking thesaurus. But that isn't how it works. At all. Forcing massive words into sentences where they don't belong is actually the fastest way to tank your score.
What "Lexical Resource" Actually Means
When an examiner grades your essay for Lexical Resource, they are looking at four specific things (1):
| What Examiners Look For | What It Actually Means | How to Get the Points |
| Range | Do you use a variety of words? | Avoid repeating the exact same words from the prompt over and over. |
| Accuracy |
Are you using the word correctly? |
Don't use a word unless you are 100% sure of its meaning and context. |
| Natural Usage | Does it sound like a native speaker? | Focus on collocations (words that naturally go together) rather than isolated "big" words. |
| Spelling & Word Formation |
Did you spell it right? |
Double-check your work. Using "affect" instead of "effect" costs you points. |
Notice that "uses words nobody has heard since 1850" is not on that list. To hit a Band 7 or higher, you need to show flexible and precise use of language, not just a list of memorized synonyms (2).
The Framework: Collocations Over Complexity
If memorizing lists of "Band 9 words" is a waste of time, what are you supposed to do?
Collocations.
It is a fancy grammar term for a very simple concept: words that naturally go together. Native speakers don't just combine words randomly. They say "heavy rain." If you say "strong rain," I know exactly what you mean, but it sounds slightly off. They "make a decision," they don't "do a decision."
When you use natural collocations, your writing instantly feels sophisticated (3). You don't need bizarre vocabulary if your simple words are paired perfectly.
The Danger of Forced Synonyms (A Real Example)
Let me show you how trying too hard actually ruins a sentence.
The Context: You are writing an essay about the environment and want to say that pollution is a big problem.
The "Before" Example (Band 5.5 - 6.0)
"Air pollution is a ubiquitous conundrum that makes a plethora of bad effects on the globe."
What's the issue here: This student is trying so hard it hurts. "Ubiquitous conundrum" sounds ridiculous. "Plethora" is the ultimate memorized IELTS word—it almost never fits the tone of an academic essay. And "makes bad effects"? That is an incorrect collocation. We don't "make" effects, we "have" them . The examiner takes one look at this and knows you memorized a list.
The "After" Example (Band 7.0+)
"Air pollution is a pressing issue that has a severe impact on the global environment."
Why it works: There are no weird, outdated words here. Just highly accurate, natural collocations: "pressing issue" and "severe impact." It sounds effortless. It sounds precise. This is what a Band 7 actually looks like.
Actionable Tips (That You Can Use Today)
Upgrading your vocabulary doesn't happen overnight, but you can stop making the big mistakes right now.
First, step away from the thesaurus. If you look up a synonym, do not put it in your essay unless you have seen it used in a real sentence . Words have subtle vibes and tones that a dictionary won't tell you.
Second, when you paraphrase the prompt in your introduction, don't go crazy. You don't have to change every single word . If you change too much, the sentence stops making sense. Keep a few key terms if there isn't a perfect synonym.
And honestly? When in doubt, just keep it simple. If you are debating between a simple word you know how to use perfectly and a complex word you are only 70% sure about, pick the simple one. Every single time. Accuracy beats complexity.
Your Checklist
Before you call your next practice essay done, ask yourself:
[ ] Did I paraphrase naturally, or did I butcher the meaning?
[ ] Am I repeating the same nouns in every paragraph?
[ ] Did I force any "advanced" words that feel a bit clunky?
Mastering vocabulary is about precision. Stop trying to sound like a dictionary, and start focusing on clear, natural phrasing.
References
Teacher Ivan
March 23, 2026
Understanding the IELTS Writing Band Descriptors: What Do Examiners Really Want?
You finally drop your pen. The 40 minutes are up. You hit the word count, managed to squeeze the word "ubiquitous" somewhere into paragraph three, and you are absolutely certain you answered the prompt. But a few weeks later, the results drop. You are staring at a 6.0. Again.
It is infuriating, honestly. I talk to students all the time who think the examiner just woke up on the wrong side of the bed, or maybe didn't like their handwriting. But the truth is far more boring—and honestly, far more useful. The IELTS grading system isn't some mystical black box where a grumpy British person arbitrarily decides your fate. It is a rigid, publicly available checklist called the band descriptors.
If you haven't read them, you are essentially trying to play a game without knowing the rules. Let's actually break down what the person grading your essay is looking for, without the academic jargon.
The Four Pillars of Your Writing Score
Your final writing grade is just an average of four specific categories. And yes, Task 2 is worth double the points of Task 1, so please, for the love of God, spend more time on it. But the underlying criteria? Exactly the same for both.
| Criterion | What It Means in Simple Terms |
| Task Achievement / Response | Did you answer the actual question, or the one you wished they asked? |
| Coherence and Cohesion | Can I read this without getting a headache? |
| Lexical Resource | Are you using words correctly, or just trying to sound smart? |
| Grammatical Range and Accuracy | How badly are your grammar mistakes messing up your message? |
Let's get into the weeds a bit.
1. Task Achievement (for Task 1) and Task Response (for Task 2)
This is the bedrock. If you mess this up, the rest of your essay doesn't matter. It is a brutal reality, but I have seen beautifully written, grammatically flawless essays score a 5.5 simply because the student went completely off-topic.
For Task 1, you are looking at a chart or a diagram. Your job is to describe what is there. Don't give me your personal opinion on why carbon emissions dropped in 1998—just tell me they dropped. You need an overview sentence that captures the main trend, and you have to back up your claims with actual numbers from the image.
Task 2 is a different beast. You are building an argument. If the prompt asks for causes and solutions to traffic congestion, and you spend 200 words complaining about how annoying traffic is without offering a single solution... well, you haven't answered the prompt. You need a clear position. The examiner shouldn't have to play detective to figure out what you actually think.
2. Coherence and Cohesion
This is where a lot of students bleed points without realizing it. Coherence is about logic. Does paragraph B naturally follow paragraph A? Cohesion is the glue—the linking words.
But here is the thing: examiners hate it when you just mechanically insert "Furthermore" and "Moreover" at the start of every single sentence. It feels robotic. It feels like a template. They want to see one clear idea per paragraph. They want your argument to build, not just jump randomly from point to point like a distracted squirrel.
3. Lexical Resource (Vocabulary)
I cannot stress this enough: stop trying to memorize lists of "Band 9 vocabulary." It almost always backfires.
Lexical Resource is about precision, not complexity. It is about using words that naturally fit together—what we call collocations. A native speaker says "a steep decline," not "a heavy go-down."
When you try to force a massive, obscure word into a sentence where it doesn't belong, it screams "I memorized this!" to the examiner. A simple word used perfectly will always, always score higher than a complex word used incorrectly. I would rather read "bad weather" than "cataclysmic atmospheric conditions" if the latter makes no sense in context.
4. Grammatical Range and Accuracy
Finally, grammar. Range means you aren't just writing "The dog is brown. The dog is big." You are using complex sentences, relative clauses, conditionals. Accuracy is... well, how many mistakes you make.
A Band 5 writer makes enough errors that I have to physically stop and re-read a sentence to understand it. A Band 6 writer makes mistakes, but I still get the point. A Band 7 writer? They are using complex structures and producing a lot of completely error-free sentences. They might slip up here and there—everyone does under time pressure—but they are clearly in control of the language.
What Does This Mean for You?
Understanding these four criteria is the first step. The next is to use them to analyze your own writing. Before you submit your next practice essay, ask yourself:
- Have I fully answered the question? (Task Achievement/Response)
- Is my essay easy to follow? (Coherence and Cohesion)
- Have I used a good range of vocabulary correctly? (Lexical Resource)
- Have I used a mix of sentence structures with few errors? (Grammatical Range and Accuracy)
By thinking like an examiner, you can start to spot your own weaknesses and turn them into strengths.
References
[1] IELTS.org. (2023). IELTS Writing key assessment criteria. ielts.org/cdn/Guides/ielts-writing-key-assessment-criteria.pdf" style="text-decoration:none">https://ielts.org/cdn/Guides/ielts-writing-key-assessment-criteria.pdf
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