B2 English Vocabulary — Upper-Intermediate
1,500 sophisticated, abstract and academic words for upper-intermediate fluency. Choose a topic below — each opens a full word list with pronunciation, example sentences and one-tap flashcards. Altogether this level covers 1500 words in 30 topics.
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What B2 vocabulary covers
The 30 topics above are not a random selection — they fall into four blocks, and knowing which block you are in tells you what the words are for.
Academic and exam English
Research, scientific inquiry, formal verbs and the language of writing. This block is the reason B2 is the level universities ask for: it contains the reporting, hedging and classifying vocabulary that essays and lectures are built from — hypothesis, attribute, albeit, constitute.
Public life and argument
Politics, law, rhetoric, journalism, social issues and ethics. Here you stop describing a debate and start taking part in one — conceding a point, qualifying a claim, distinguishing what is legal from what is legitimate, and recognising when a text is reporting and when it is persuading.
Business, economics and risk
Commerce, markets, ambition, globalisation and uncertainty. Professional vocabulary that carries real precision: the difference between revenue and profit, liability and debt, a risk and an exposure. These distinctions matter in a meeting in a way they never did in a classroom.
The precision layer
Degree, abstraction, cause and effect, cognition, complex emotions and change over time. Not a subject at all but a toolkit — the words that let you say exactly how much, exactly why, and exactly how certain you are. This is what upper-intermediate really means.
How to learn these words so they stay learned
The B2 problem is rarely that you do not know a word; it is that you know three near-equivalents and cannot feel which one belongs. So the work shifts to register and connotation. For each new word, note two things beyond the meaning: how formal it is, and whether it carries approval or disapproval. Thrifty and stingy describe the same behaviour and pass opposite judgements on it; childlike and childish differ by nothing else. Getting these wrong is the most common reason a technically accurate B2 sentence still lands badly, and no dictionary definition will warn you.
Which topics to study first
Start with the precision layer — Quality & Degree, Abstract Concepts, Cause, Effect & Logic and Academic & Formal Verbs. They are the least interesting topics on the page and the ones that raise your writing fastest, because they are cross-cutting: every essay, report and argument you write from now on will draw on them regardless of subject. Then choose the specialist blocks that match your purpose rather than attempting all thirty. Nobody needs Visual & Performing Arts and Crime & Security equally.
Questions learners ask about B2 words
How many words do I need for B2?
Most estimates put B2 at roughly 3,200 to 4,500 word families, and exam boards commonly work with a figure around 4,000. That is enough to cover about 98% of the words in an ordinary newspaper article, which is the threshold at which reading becomes comfortable rather than effortful — and it is why B2 is the level at which most learners report that English suddenly feels usable.
Is B2 enough for university study in English?
It is the normal minimum for undergraduate admission, and it corresponds to roughly IELTS 5.5–6.5 or a Cambridge First certificate — though each institution sets its own bar and many competitive courses ask for C1. Vocabulary is usually the binding constraint rather than grammar: lectures and set reading assume the academic layer, so the Academic & Research and Academic & Formal Verbs topics deserve disproportionate attention.
What is the difference between B2 and C1 vocabulary?
B2 is about having the right word; C1 is about having the better word. At B2 you can express any idea you need to, accurately and appropriately. At C1 you can also choose the phrasing that carries the exact tone you intend, recognise idiom and irony, and shift register deliberately — which is why the C1 lists here are organised by shade of meaning rather than by subject.
How do I stop making the same vocabulary mistakes?
By treating them as habits rather than gaps. A B2 error is usually a word you learned imprecisely years ago and have used wrongly ever since, so simply reading the correct definition rarely dislodges it. What works is writing the wrong version and the right version side by side, with a note on what makes the difference, and then deliberately using the correct one several times within a week.
Should I focus on vocabulary or grammar at B2?
Vocabulary, by a wide margin. Very few genuinely new structures remain at B2 and the ones that do — inversion, mixed conditionals, modal perfects — are a short list. Vocabulary, by contrast, is effectively unbounded and is what limits both what you can understand and how precisely you can say what you mean. If you have an hour, most of it should go on words.