Vocabulary refers to the set of words that a person knows and uses in a particular language.
Every vocabulary has meaning
Meaning refers to what a word, phrase, sentence, or symbol expresses or represents — in other words, its sense or significance.
Example:
Mockery - The behavior described in the context shows a lack of respect for a court of law.Thesaurus is a reference book or online tool that provides synonyms (words with similar meanings) and sometimes antonyms (words with opposite meanings) for words in a language.
Example:
Happy in a thesaurus, you might find:
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Synonyms: joyful, cheerful, delighted, pleased
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Antonyms: sad, unhappy, miserable