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)
- A purplish-blue color.
- Indigo seemed to be the color that fit my personality the best.
- An indigo-colored dye obtained from certain plants (the indigo plant or woad), or a similar synthetic dye.
- An indigo plant, such as from species in genera Indigofera, Amorpha (false indigo), Baptisia (wild indigo), and Psorothamnus and Dalea (indigo bush).
- Chinese indigo
- false indigo
- green indigo
- indigo bird
- indigo blue
- indigo brown
- indigo bunting
- indigo red
indigo (comparative more indigo, superlative most indigo)
- having a deep purplish-blue color
- I wore my brand new indigo hat hoping they would be impressed.
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