indigo blue

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noun

Also called indigo, indigotin. a dark-blue, water-insoluble, crystalline powder, C16H10N2O2, having a bronzelike luster, the essential coloring principle of which is contained along with other substances in the dye indigo and which can be produced synthetically.

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of indigo blue

First recorded in 1705–15

OTHER WORDS FROM indigo blue

in·di·go-blue, adjective

Words nearby indigo blue

indignant, indignantly, indignation, indignity, indigo, indigo blue, indigo bunting, indigoid, indigolite, indigo snake, indigo squill

How to use indigo blue in a sentence

Clad in a blue, striped button-down, a silver watch adorning his left wrist, Huckabee beams on the cover.
Huckabee 2016: Bend Over and Take It Like a Prisoner!|Olivia Nuzzi|January 8, 2015|DAILY BEAST
Yeah, the “Giant man-puppy” that is Gronkowski won't hold a sexual candle to the blue-eyed dreamboat.
‘A Gronking to Remember’ Speed Read: 8 Naughtiest Bits|Emily Shire|January 7, 2015|DAILY BEAST
GOP leaders refused; they saw that Duke was pulling blue-collar Democrats to the party.
The Louisiana Racists Who Courted Steve Scalise|Jason Berry|January 3, 2015|DAILY BEAST
It denotes the person that puts on the badge, puts on the blue uniform, and goes into the streets to put their life at risk.
Cop Families Boo De Blasio at NYPD Graduation|Michael Daly|December 30, 2014|DAILY BEAST

They looked up into the blue sky as the helicopters flew over in a lost man formation.
Choking Back Tears, Thousands of Cops Honor Fallen Officer Ramos|Michael Daly|December 28, 2014|DAILY BEAST
In pursuing his alchemical researches, he discovered Prussian blue, and the animal oil which bears his name.
The Every Day Book of History and Chronology|Joel Munsell
Mary is fair as the morning dew— Cheeks of roses and ribbons of blue!
Boys and Girls Bookshelf; a Practical Plan of Character Building, Volume I (of 17)|Various
His nose was hooked and rather large, his eyes were blue, bright as steel, and set a trifle wide.
St. Martin's Summer|Rafael Sabatini
The most promising of the methods which have been devised are cryoscopy, the methylene-blue test, and the phloridzin test.
A Manual of Clinical Diagnosis|James Campbell Todd
He said no more in words, but his little blue eyes had an eloquence that left nothing to mere speech.
St. Martin's Summer|Rafael Sabatini

British Dictionary definitions for indigo blue

indigo blue

noun, adjective (indigo-blue when prenominal)

the full name for indigo (def. 1), indigo (def. 3)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012