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English C1 Vocabulary

Advanced English decks with example sentences and grammar notes. At C1 you can use language flexibly, understand implicit meaning, work in target language — that takes ~6,000 words, and these free decks get you there with FSRS spaced repetition.

1
Decks
250
Words
~6,000
C1 Target

English C1 Decks

What does C1 mean in English?

C1 is the advanced level where you can understand a wide range of demanding, longer texts and recognize implicit meaning. You can express yourself fluently and spontaneously without much obvious searching for expressions. You can use language flexibly and effectively for social, academic, and professional purposes.

At this level you can:

Typical study time: 9–12 months after completing B2.

Frequently Asked Questions

How many words do I need for English C1?

CEFR C1 (Advanced) corresponds to roughly ~6,000 words of cumulative vocabulary. At this level you can use language flexibly, understand implicit meaning, work in target language.

How long does it take to reach C1 in English?

Typical study time for C1 is 9–12 months after completing B2. Reviewing 10–15 new words per day with FSRS spaced repetition keeps you on track without cramming.

Are these English C1 decks free?

Yes. All public decks on Words on Repeat are free to use. Create an account, copy any deck to your library, and study with spaced repetition — no paywall, no ads.

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