vocabulary

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/vəˈkæbjəleri/
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The words someone knows, the word set of a language or subject, or a list of words for study.

Examples

  • Students copied the vocabulary into their notebooks.
  • Children learn the basic vocabulary of science at school.
  • The glossary explains the key vocabulary from the lesson.
  • Travel added many new words to her vocabulary.
  • The teacher tested last week's vocabulary.

Similar words

jargon
word set
word knowledge
glossary
lexicon
word stock
word bank
word list
terms
language

Meanings

Words a person knows or uses

noun
everyday
neutral
The words that someone knows, understands, or regularly uses when speaking or writing.

Usage

Use vocabulary for the range of words a person can use or understand. It often appears with wide, limited, active, passive, build, and expand.

Examples

  • Reading every day can expand your vocabulary.
  • He has a wide vocabulary for his age.
  • The app helps children build their vocabulary.
  • Her active vocabulary is smaller than her reading vocabulary.
  • A limited vocabulary can make writing feel repetitive.
  • Travel added many new words to her vocabulary.

Common mistakes

Vocabularies is possible but uncommon for one person's word knowledge. In ordinary learning contexts, vocabulary is usually uncountable.
IncorrectCorrect
I want to improve my vocabularies I want to improve my vocabulary
She has many vocabulary She has a wide vocabulary
I learn vocabulary words every day I learn new vocabulary every day

Similar words

Words of a language or subject

noun
technical
neutral
The set of words and terms used in a language, field, subject, group, or style.

Usage

Use vocabulary when talking about the words that belong to a subject or community, such as medical vocabulary, legal vocabulary, or the vocabulary of art.

Examples

  • Medical vocabulary can be difficult for new students.
  • The poem uses the vocabulary of the sea.
  • Every profession develops its own vocabulary.
  • The political vocabulary of the period changed quickly.
  • Children learn the basic vocabulary of science at school.
  • The software introduced new vocabulary into everyday speech.

Common mistakes

Vocabulary about medicine is understandable, but medical vocabulary or the vocabulary of medicine is more natural.
IncorrectCorrect
I need vocabulary about business I need business vocabulary
The vocabulary in law is difficult Legal vocabulary is difficult
This word belongs to the vocabulary of cooking This word belongs to cooking vocabulary

Similar words

List of words to learn

noun
everyday
neutral
A set or list of words, often with meanings or translations, used for study or reference.

Usage

Use vocabulary for a study list or section in a textbook, especially in language learning. Vocabulary list is clearer when the physical list matters.

Examples

  • The chapter ends with a vocabulary list.
  • Please review the vocabulary before the quiz.
  • Each unit introduces ten new vocabulary items.
  • The glossary explains the key vocabulary from the lesson.
  • Students copied the vocabulary into their notebooks.
  • The teacher tested last week's vocabulary.

Common mistakes

A vocabulary can be correct when it means a word list or glossary, but a vocabulary list is clearer in most classroom contexts.
IncorrectCorrect
The teacher gave us vocabularies for homework The teacher gave us vocabulary lists for homework
Please memorize this vocabularys Please memorize this vocabulary
The book has vocabulary at end The book has a vocabulary list at the end

Similar words

Usage

Vocabulary is usually uncountable when it means word knowledge, but it can be countable in technical contexts for different word sets. For classroom materials, vocabulary list often prevents ambiguity.

Common mistakes

Vocabularies is not the normal plural for words learned by one person. Use vocabulary for word knowledge, words for individual items, and terminology for a specialized subject.

Etymology

From Medieval Latin vocabulārium, a list of words, from Latin vocabulum, word or name, from vocare, to call. The study-list sense is close to the older meaning, while modern English also uses the word for the range of words known or used.

FAQ

What does vocabulary mean?

Vocabulary means the words someone knows or uses, the words of a subject, or a study list of words.

Is vocabulary countable or uncountable?

It is usually uncountable for one person's word knowledge. It can be countable when comparing different word sets.

What is active vocabulary?

Active vocabulary is the words a person can use in speaking or writing.

What is passive vocabulary?

Passive vocabulary is the words a person understands when reading or listening but does not often use.

What is a vocabulary list?

A vocabulary list is a set of words for study, often with meanings, translations, or examples.

What is the difference between vocabulary and terminology?

Vocabulary is broader. Terminology is the specialized words of a subject or profession.

How do you say improve vocabulary?

Say improve my vocabulary, build my vocabulary, or expand my vocabulary.

Comments & contributions

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Violet Fox
Jun 27
my passive vocabulary is basically all the words I recognize and then panic when I need to use them
1
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Contribution
Autumn Falcon
Jun 17
If you are counting items, words is usually cleaner than vocabularies. I learned 20 new words today sounds normal. I learned 20 vocabularies today sounds like textbook English gone wrong
1
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Contribution
Sleek Lemming
Jun 17
Lexicon is the more technical cousin. I would say my vocabulary is bad in normal conversation, but a linguist might talk about a child's lexicon or the lexicon of a language.
3
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Contribution
Pale Rabbit
Jun 12
My English teacher used to put whole chunks on the vocabulary quiz, like take a shower or make a decision. Annoying at the time, but honestly those are vocab too.
5
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