English words by learner level: C1 – Advanced
At level C1, the learner can understand a wide range of demanding, longer texts, and recognise implicit meaning. He/she can express him/herself fluently and spontaneously without much obvious searching for expressions. He/she can use language flexibly and effectively for social, academic and professional purposes. He/she can produce clear, well-structured, detailed text on complex subjects, showing controlled use of organisational patterns, connectors and cohesive devices. – Common European Framework of Reference for Languages (CEFR)
This list contains words which are typically added to a language learner's vocabulary after they have reached this level. The list has been adapted from wordlists originally compiled by Kelly: Keywords for Language Learning.