- anil, indigo, indigotin - a blue dye obtained from plants or made synthetically
--1 is a kind of dye, dyestuff
- anil, Indigofera suffruticosa, Indigofera anil - shrub of West Indies and South America that is a source of indigo dye
--2 is a kind of indigo, indigo plant, Indigofera tinctoria