|  ingrained 
 
 (used especially of ideas or principles) deeply rooted;
 firmly fixed or held
 - deep-rooted prejudice
 - deep-seated differences of opinion
 - implanted convictions
 - ingrained habits of a lifetime
 - a deeply planted need
 • Syn:
 deep-rooted, deep-seated, implanted, planted
 • Similar to:
 established, constituted
 
 
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