indigo

noun

in·​di·​go ˈin-di-ˌgō How to pronounce indigo (audio)
plural indigos or indigoes
1
: a deep reddish blue
2
3
a
: a blue vat dye obtained from plants (such as indigo plants)
b
: the principal coloring matter C16H10N2O2 of natural indigo usually synthesized as a blue powder with a coppery luster

Examples of indigo in a Sentence

Recent Examples on the Web Rhodes added that fabrics like a 100 percent cotton indigo chambray that is mechanically pleated add movement to garments. Angela Velasquez, Sourcing Journal, 9 Aug. 2024 Several washes are on sale, but the light indigo and dark indigo options are more than 50 percent off. Clint Davis, Peoplemag, 7 Aug. 2024 The big picture: The large swallows — identified by their indigo feathers and long, tapered wings — spend each summer in the Houston area to roost and feed on insects to fuel up before their long journey to South America. Nicole Cobler, Axios, 2 Aug. 2024 This process is suitable not only for indigo and black denim but also for garments treated with Officina+39’s premium dyestuffs such as Recycrom, which is a ready-to-dye trademarked technology that includes 15 dyestuffs from a standard color card. Andrea Onate, WWD, 12 June 2024 See all Example Sentences for indigo 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'indigo.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Italian dialect, from Latin indicum, from Greek indikon, from neuter of indikos Indic, from Indos India

First Known Use

1555, in the meaning defined at sense 3a

Time Traveler
The first known use of indigo was in 1555

Dictionary Entries Near indigo

Cite this Entry

“Indigo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indigo. Accessed 19 Aug. 2024.

Kids Definition

indigo

noun
in·​di·​go ˈin-di-ˌgō How to pronounce indigo (audio)
plural indigos or indigoes
1
: a blue dye made artificially and formerly obtained from plants and especially indigo plants
2
: a deep reddish blue
Etymology

from an Italian dialect word indigo "a blue dye from indigo plants," from Latin indicum (same meaning), derived from Greek indikos (adjective) "of or relating to India"; so called because the plant dye was first widely produced in India

Medical Definition

indigo

noun
in·​di·​go ˈin-di-ˌgō How to pronounce indigo (audio)
plural indigos or indigoes
1
a
: a blue dye obtained from indigo plants (as Indigofera tinctoria of Africa and India, I. anil of South America, and I. auriculata of Arabia and Egypt)
b
: the principal coloring matter C16H10N2O2 of natural indigo usually synthesized as a blue powder with a coppery luster

called also indigotin

2

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