keyword

/ˈkiːwɜːrd/
noun
  1. A word that describes the main topic or idea of a text, speech, or search query.
    • Her speech had several keywords that summarized her main points.
    • The keyword for today's lesson is 'photosynthesis'.
    • Type a keyword into the search bar to find what you need.
  2. A significant word from a title or document used especially as an index to content.
    • The librarian searched for the keyword 'volcano' in the database.
    • Use relevant keywords to make your article easier to find online.
    • Each chapter is tagged with keywords for quick reference.
  3. A word that serves as a key to a code or cipher.
    • They agreed on a keyword to signal the start of the operation.
    • The spy used a keyword to decode the secret message.
    • Without the correct keyword, the encrypted file cannot be opened.
Synonyms
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