Dyed before manufacture; said of the material of a textile fabric; hence, in general, thoroughly inwrought; forming an essential part of the substance.
“He moved quietly up the stained stone stoop; impressions of dead leaves and ingrained dirt gave the granite stairway a pepper-like color.”
“Our effortless manipulation of meaning is highly systematic, and relies on an ingrained ability to recognize structure in language.”
“The very name of chaos would prove our ingrained faith in causality, for it is a negation of causality, and we could not deny causality without first having conceived it.”