WordWeb Online

1. (used especially of ideas or principles) deeply rooted; firmly fixed or held
   "ingrained habits of a lifetime"
   - deep-rooted, deep-seated, implanted, planted

1. Thoroughly work in
   - grain
    
2. Produce or try to produce a vivid impression of
   "Mother tried to ingrain respect for our elders in us"
   - impress, instill

See also: constituted, established

Type of: affect, impress, move, penetrate, perforate, strike

Encyclopedia: Ingrain