indigo meaning and definition

INDIGO noun

Definition of indigo (noun)

1. a blue dye obtained from plants or made synthetically
   • synonyms: anil, indigotin
2. deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye
   • synonyms: indigo plant, Indigofera tinctoria
3. a blue-violet color

INDIGO adjective

Definition of indigo (adjective)

1. having a color between blue and violet
   • "indigo flowers"