English is the world's most widely spoken language, with over 1.5 billion speakers including non-native speakers. As the global language of business, science, technology, and entertainment, English proficiency opens doors in virtually every field.
The most useful upper-intermediate English words, defined in English. Every card carries a short English definition, a plain-English gloss, synonyms, IPA pronunciation and a usage note on the collocations, prepositions and near-synonyms that B1 learners actually get wrong. No translation, so you think in English while you study.
The core proficiency-level English words, defined in English. Literary adjectives, low-frequency nouns and the verbs that do a sentence of work on their own, each with an English definition, a gloss, synonyms, IPA and a usage note on the exact register and connotation. The level at which the word choice itself is the message.
Work, study and career English at B1, defined in English. Words covering jobs and applications, the workplace, school and university, qualifications and training, each with an English definition, IPA, synonyms and a usage note on the prepositions and countable/uncountable traps these words carry.
The core advanced English words, defined in English. Low-frequency verbs, precise abstract nouns and the adjectives that carry judgement, each with an English definition, a gloss, synonyms, IPA and a usage note on the distinction a near-synonym would blur. For learners at the level where a bilingual dictionary stops helping.
Health, fitness and everyday wellbeing English at B1, defined in English. Words covering the body, symptoms, the doctor, treatment, food and habits, each with an English definition, IPA, synonyms and a usage note that tells you which word a patient actually says and which one belongs in a clinic.
Film, music, books, television and online English at B1, defined in English. Words with an English definition, IPA, synonyms and a usage note on the connotation each one carries, so you know what a word implies about the speaker and not just what it means.
The core upper-intermediate English words, defined in English. Abstract nouns, reporting verbs, phrasal verbs and the adjectives that carry opinion, each with an English definition, a short gloss, synonyms, IPA and a usage note on register and pattern. Built for learners who no longer want to translate.
Business, money and economics English at B2, defined in English. Words covering companies and markets, finance and trade, growth and risk, each with an English definition, IPA, synonyms and a usage note on the collocations that make business English sound native.
Science, research and technology English at B2, defined in English. Words covering method and evidence, data and devices, energy and environment, each with an English definition, IPA, synonyms and a usage note on the precise sense a scientific text expects.
The English of papers, studies and argument at C1, defined in English. Words for describing method, evidence, causation and limitation, each with an English definition, IPA, synonyms and a usage note on the hedging and precision academic writing demands.
Precise professional English at C1, defined in English. Words for reporting, persuading, hedging, conceding and pushing back without giving offence, each with an English definition, IPA, synonyms and a usage note on the tone the word carries in a real workplace.
The English of criticism, philosophy and intellectual argument at C2, defined in English. Words for reading and writing about texts, ideas and traditions, each with an English definition, IPA, synonyms and a usage note on the scholarly sense the word carries.
English is the lingua franca of international business, science, aviation, diplomacy, and the internet. Over 60% of online content is in English. Proficiency in English is often a requirement for international careers, academic programs, and professional certifications worldwide.
1.5+ billion speakers (including non-native) across United Kingdom, United States, Canada, Australia, and used as a second language in over 50 countries.
About 2,000–3,000 high-frequency words cover approximately 80–90% of everyday English. Our CEFR-leveled decks guide you from basic (A1, ~500 words) through advanced (C1, ~6,000 words) systematically.
Both are widely understood. The core vocabulary is 95%+ identical. Our decks focus on internationally common vocabulary that works in both contexts.
B2 First phrasal verbs: a free exercise on all 16 Part 4 swaps, a printable list, where the pronoun goes, and which ones to keep in an essay. Try it free.
Read article → Make or Do? B2 First Collocation TrapsMake or do in English: the rule of thumb, where it breaks, the verb your language suggests, adjectives that are never big and 9 B2 First gaps. Practise free.
Read article → What B2 First Use of English Really TestsB2 First Use of English Parts 1 to 4 each test a different kind of word knowledge. See what every task wants, the usual traps and how to revise. Check free.
Read article → How Many Words Do You Need for B2 First?How many words for B2 First? Cambridge has no official list, so we counted: 3,787 cards, 2,205 at B2, and a daily plan to learn them. Check your level free.
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