ingrain /ɪŋˈɡɹeɪn/adjective 3verb 2noun 1forms 3 adjective3 •Dyed with grain, or kermes. •Dyed before manufacture; said of the material of a textile fabric. •(figurative) Thoroughly inwrought; forming an essential part of the substance.When were such changes ever made in men's natural relations to one another: when was such reconcilement of ingrain differences ever effected! — 1855 verb2 •(figurative) To make (something) deeply part of something else.The dirt was deeply ingrained in the carpet.The lessons I learned at school were firmly ingrained in my mind. •To dye with a fast or lasting colour. noun1 •An ingrain fabric, such as a carpet. formsingrained · ingraining · ingrains