entrenched

simple past and past participle of entrench

(ambitransitive, literally) To cut in; to furrow; to make trenches in or upon.
(ambitransitive, literally) To cut in; to furrow; to make trenches in or upon.
(ambitransitive, literally) To cut in; to furrow; to make trenches in or upon.
(ambitransitive, figuratively) To become completely absorbed in and fully accept one's beliefs, even in the face of evidence against it and refusing to be reasoned with.
(ambitransitive, figuratively) To establish a substantial position in business, politics, etc.
(ambitransitive, figuratively) To invade; to encroach; to infringe or trespass; to enter on, and take possession of, that which belongs to another; usually followed by on or upon.