* Vocabulary size is highly individual: It depends on the individual's learning style, amount of exposure to the language, and specific interests.
* "Intermediate" is a broad category: It covers a wide range of proficiency levels, from being able to hold basic conversations to having near-native fluency.
* Measuring vocabulary is complex: There's no standardized test for measuring vocabulary size. Different methods (like vocabulary tests, reading comprehension tasks, and analyzing spoken language) will produce different results.
Instead of focusing on a specific number, consider these factors:
* Active vs. passive vocabulary: An active vocabulary refers to words you use regularly, while a passive vocabulary includes words you understand when reading or listening but don't necessarily use yourself. An intermediate speaker is likely to have a larger passive vocabulary than active.
* Functional vocabulary: More important than the number of words is the ability to use them effectively in different contexts. An intermediate speaker should have a good understanding of common verbs, nouns, adjectives, and adverbs, as well as functional phrases and expressions.
* Continual improvement: Language learning is a lifelong process. An intermediate speaker will continue expanding their vocabulary through reading, listening, and speaking practice.
Rather than focusing on a specific number, it's better to evaluate an individual's vocabulary based on their ability to communicate effectively in various situations.