expand - definition and synonyms


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present tense
present participleexpanding
past tenseexpanded
past participleexpanded
  1. 1
    [intransitive] to become larger in size and fill more space

    The water froze inside the pipe, causing it to expand and burst.

     Synonyms and related words
    1. a.
      [transitive] to make something become larger in size and fill more space

      We plan to expand the pub by adding a family room.

  2. 2
    [intransitive] if a business, organization, or activity expands, it grows by including more people, moving into new areas, selling more products etc

    Britain’s universities expanded at an unprecedented rate at the end of the 20th century.

    expand into:

    The group has expanded into Germany.

  3. 3
    [intransitive] to talk or write more about something, adding more details or information
    expand on/upon:

    I refuse to expand any further on my earlier statement.

  4. 4
    [intransitive/transitive] formal to open something that is folded

    The hawk expanded its wings and soared into the sky.

  5. 5
    [transitive] maths to write an expression in a longer form