indigo
UK /ˈɪn.dɪˌɡəʊ/ · US /ˈɪndɪˌɡoʊ/ noun, adjective, proper noun
Forms indigos indigoes
- noun A purplish-blue color.
- noun A greenish dark blue color; the color of indigo dye.
- noun A blue-colored dye obtained from certain plants (indigo plant or woad), or a similar synthetic dye.
- noun An indigo plant, such as from species in genera Indigofera, Amorpha (false indigo), Baptisia (wild indigo), and Psorothamnus and Dalea (indigo bush).
- adjective having a deep purplish-blue colour
- proper noun A local government area in north-east Victoria, Australia, named after Indigo Valley; in full, the Shire of Indigo.
- proper noun A female given name.
Synonyms
Etymology
16th century (as indico, modern spelling from the 17th century), Spanish índigo, Portuguese endego (modern índigo), or Dutch (via Portuguese) indigo, all from Latin indicum (“indigo”), from Ancient Greek ἰνδικόν (indikón, “Indian dye”), from Ἰνδία (Indía). Doublet of Indic.
Webster’s 1913
- noun A kind of deep blue, one of the seven prismatic colors.
- noun A blue dyestuff obtained from several plants belonging to very different genera and orders; as, the woad, Isatis tinctoria, Indigofera tinctoria, I. Anil, Nereum tinctorium, etc. It is a dark blue earthy substance, tasteless and odorless, with a copper-violet luster when rubbed. Indigo does not exist in the plants as such, but is obtained by decomposition of the glycoside indican.
- adjective Having the color of, pertaining to, or derived from, indigo.
Etymology [F. indigo, Sp. indigo, indico, L. indicum indigo, fr. Indicus Indian. See Indian.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “indigo”, CC BY-SA 4.0. Details