Definition: Indigo

From New World Encyclopedia


Sixteenth century (as indico, modern spelling from the seventeenth century), Spanish índigo, Portuguese endego (modern índigo), or Dutch (via Portuguese) indigo, all from Latin indicum (indigo), from Ancient Greek ἰνδικόν or indikón (Indian dye), from Ἰνδία or Indía. Doublet of Indic.


indigo (countable and uncountable, plural indigos or indigoes)

  1. A purplish-blue color.
    Indigo seemed to be the color that fit my personality the best.
  2. An indigo-colored dye obtained from certain plants (the indigo plant or woad), or a similar synthetic dye.
  3. An indigo plant, such as from species in genera Indigofera, Amorpha (false indigo), Baptisia (wild indigo), and Psorothamnus and Dalea (indigo bush).

Derived terms

  • Chinese indigo
  • false indigo
  • green indigo
  • indigo bird
  • indigo blue
  • indigo brown
  • indigo bunting
  • indigo red


indigo (comparative more indigo, superlative most indigo)

  1. having a deep purplish-blue color
    I wore my brand new indigo hat hoping they would be impressed.


New World Encyclopedia writers and editors copied and adjusted this Wiktionary entry in accordance with NWE standards. This article abides by terms of the Creative Commons CC-by-sa 3.0 License (CC-by-sa), which may be used and disseminated with proper attribution. Credit for this article is due to both New World Encyclopedia contributors and the selfless volunteer contributors of the Wikimedia Foundation. To cite this article click here for a list acceptable citing formats.The history of earlier contributions at Wiktionary is accessible to researchers here: