Definition of indigo
indigos
orindigoes
1a : 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
2 : indigo plant
3 : a deep reddish blue
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Origin and Etymology of indigo
Italian dialect, from Latin indicum, from Greek indikon, from neuter of indikos Indic, from Indos India
First Known Use: 1555
INDIGO Defined for English Language Learners
indigo
playDefinition of indigo for English Language Learners
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: a deep purplish-blue color
INDIGO Defined for Kids
indigo
playDefinition of indigo for Students
indigos
orindigoes
1 : a blue dye made artificially or obtained especially formerly from plants (indigo plants)
2 : a deep purplish blue
Medical Dictionary
indigo
playMedical Definition of indigo
indigos
orindigoes
1a: 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: indigo plant
Learn More about indigo
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See words that rhyme with indigo Spanish Central: Translation of indigo Nglish: Translation of indigo for Spanish speakers Britannica.com: Encyclopedia article about indigo
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