Definition

1. Noun:
   • A reference book containing an alphabetical list of words with information about them: A "dictionary" is a book or electronic resource that lists the words of a language, typically in alphabetical order, and gives their meanings, pronunciations, etymologies, and other linguistic information.

Usage

• A dictionary is used to look up the definition, spelling, pronunciation, or usage of a word.
• It serves as a standard authority on the vocabulary of a language.

Examples

• Noun:
  • I used the dictionary to find the meaning of the word "ephemeral".
  • A good dictionary is an essential tool for any language learner.
  • The word is not listed in my dictionary.

Advanced Usage

• "To be a walking dictionary": To be a person who knows the definitions of many words and is a source of lexical knowledge.
  • Ask John about that word; he's a walking dictionary.
• "Dictionary definition": The literal, standard meaning of a word as found in a dictionary, as opposed to a figurative or contextual meaning.
  • We need to look beyond the dictionary definition to understand its cultural significance.

Variants and Related Words

• Lexicon (n): The vocabulary of a person, language, or branch of knowledge; can also be synonymous with a dictionary, especially for a specific subject or language.
  • The lexicon of computer science is constantly evolving.
• Glossary (n): An alphabetical list of terms or words found in or relating to a specific subject, text, or dialect, with explanations; a brief dictionary.
  • The textbook includes a glossary at the back.
• Thesaurus (n): A reference book that lists words grouped together according to similarity of meaning (synonyms and sometimes antonyms), in contrast to a dictionary, which provides definitions.
  • Use a thesaurus to find a more precise word.

Synonyms

• Wordbook: A book containing lists of words and meanings.
• Vocabulary: (In one sense) A list or collection of words, often with definitions.

Related Phrases

• "To consult a dictionary": To look something up in a dictionary.
  • If you are unsure of the spelling, you should consult a dictionary.
• "Pocket dictionary": A small, portable dictionary.
  • She always carries a pocket dictionary in her bag.

Related Idioms

• "To throw the book at someone": (Idiom; note: "the book" can imply a dictionary or rulebook in a figurative sense) To punish or criticize someone as severely as possible.
  • The judge threw the book at the repeat offender.

Noun

1. a reference book containing an alphabetical list of words with information about them