When you're entrenched, you're dug in. Sometimes that means you're literally in a trench, but usually it means you just won't budge from a position or belief.

Entrenched things are buried so solidly that they can't move — or just behave like they're firmly lodged in some deep hole. Usually this word refers to views people hold very strongly. Having turkey on Thanksgiving is a tradition that's entrenched in American culture — it's long been established and isn't going anywhere. When you're entrenched, you're being stubborn or consistent, depending on your view.

Definitions of entrenched

adj dug in

immune to attack; impregnable

adj established firmly and securely

“the entrenched power of the nobility”
constituted, established
brought about or set up or accepted; especially long established

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