from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Firmly established; deep-seated: ingrained prejudice; the ingrained habits of a lifetime.
- adj. Worked deeply into the texture or fiber: a carpet disfigured by ingrained dirt.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Being an element; present in the essence of a thing
- adj. Fixed, established
- v. Simple past tense and past participle of ingrain.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. (used especially of ideas or principles) deeply rooted; firmly fixed or held
ingrain + -ed (Wiktionary)