noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A dark blue compound that is the principal dye found in indigo. countable, uncountable
2. 2
   a blue dye obtained from plants or made synthetically wordnet

Synonyms

All synonyms

anilanilindigoindigo carminewoad

Related phrases

indigotindisulphonic acid

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.