entrenched
adj. C1 Advanced US //ɛnˈtɹɛntʃt// UK //ɛntɹˈɛntʃt// en·trenched
adj. describing an idea, habit, or problem that is so deeply fixed that it is very hard to change.
adj. firmly established and difficult or unlikely to change. Often used to describe systemic issues, attitudes, or defensive positions.
The company has an entrenched culture of working late.
Despite the new laws, many entrenched social prejudices remained common in the rural parts of the country.
The conflict was fueled by entrenched interests on both sides, making a diplomatic solution nearly impossible without significant external pressure and internal reform.
Usage
Often used predicatively after 'become' or 'remain'; frequently modifies nouns like 'attitudes', 'interests', or 'positions'.