Definition of Vocabulary
Quick Meaning of Vocabulary
All the words that a person knows and uses, or a collection of words related to a topic.
Detailed Definition of Vocabulary
The body of words used by a language or person; a list of words with definitions.
How to Pronounce Vocabulary
Stress pattern: oOooo (5-syllable word).
Tip: Stress second syllable vo-CAB-u-ler-ee; middle syllables are quick.
Watch out: Mispronounced as 'vocab-you-ler-ee' with wrong stress.
Origin and Etymology of Vocabulary
From Medieval Latin 'vocabularium', from Latin 'vocabanum' (word), from 'vocare' (to call).
How to Use Vocabulary in a Sentence
Each example shows “vocabulary” with a CEFR level so learners can pick examples that match their fluency.
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“Her English vocabulary improved after one year of study.”
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“Medical vocabulary can be challenging for language learners.”
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“Shakespeare's vocabulary included approximately 31,000 different words.”
Synonyms and Antonyms of Vocabulary
Common Synonyms for Vocabulary
Smart Synonyms for Vocabulary — When to Use Each
- lexicon
- Use in academic writing
- terminology
- Use for specialized field words
- word list
- Use for practical study materials
Common Collocations with Vocabulary
These phrases pair with “vocabulary” in everyday English:
- expand vocabulary
- build vocabulary
- active vocabulary
- passive vocabulary
Common Mistakes When Using Vocabulary
Even fluent speakers slip up with “vocabulary”. Here’s how to avoid the most common errors:
- ✗ Wrong: I need to learn more vocabularies.
- ✓ Correct: I need to learn more vocabulary.
- Why: Vocabulary is usually uncountable; use singular form with most contexts
- ✗ Wrong: The math vocabulary are difficult.
- ✓ Correct: The math vocabulary is difficult.
- Why: Vocabulary is treated as singular even when referring to multiple words
Words Confused With Vocabulary
- Vocabulary vs Vocabulary vs. lexicon: Vocabulary is everyday words; lexicon is formal term for word collection
Other Forms of Vocabulary
- Noun: vocabulary
- Adjective: vocabularic
Frequently Asked Questions About Vocabulary
What is the meaning of "Vocabulary"?
All the words that a person knows and uses, or a collection of words related to a topic.
How do you pronounce "Vocabulary"?
The IPA is /vəˈkæbjuˌleri/. Stress second syllable vo-CAB-u-ler-ee; middle syllables are quick.
What part of speech is "Vocabulary"?
"Vocabulary" is a noun at B1 level (Common European Framework).
What are synonyms for "Vocabulary"?
Common synonyms include lexicon, word list, terminology.
How do you use "Vocabulary" in a sentence?
For example: "Her English vocabulary improved after one year of study."