indigo
1.
(
noun
) a blue-violet color
Related Words:
reddish blue
,
violet
2.
(
noun
) deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye
Synonyms:
Indigofera tinctoria
,
indigo plant
Related Words:
Indigofera anil
,
Indigofera suffruticosa
,
anil
,
bush
,
shrub
3.
(
noun
) a blue dye obtained from plants or made synthetically
Synonyms:
anil
,
indigotin
Related Words:
dye
,
dyestuff
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