The Gilded Age usually means two related things:

  1. A specific time in U.S. history
    • Roughly from the 1870s to about 1900 , between the Civil War/Reconstruction and the Progressive Era.
 * Marked by **rapid industrial growth** , huge fortunes for a few (Carnegie, Rockefeller, etc.), and **sharp inequality** , with many people remaining very poor.

 * Politics were often **corrupt** , with powerful business interests influencing government, and cities growing fast with new factories, railroads, and waves of immigration.

 * The name comes from Mark Twain’s 1873 novel _“The Gilded Age: A Tale of Today”_ , suggesting a society that looks golden and impressive on the surface but hides serious problems underneath.
  1. A general phrase
    • More broadly, a “gilded age” can mean any period that looks rich and shiny on the outside but is “gold‑plated” rather than solid gold —a successful‑seeming era that hides corruption, inequality, or deep social issues.

So when someone asks, “what does Gilded Age mean?”, they’re usually referring to that late‑19th‑century U.S. era of big business, big money, and big problems beneath a glittering surface.