1. to establish something so firmly that it becomes very difficult to change or remove
2. to dig trenches for military defense
Usage: military

Examples

• The new policy entrenches unfair practices in the workplace.
• Years of tradition have entrenched these customs in our culture.
• The corrupt system entrenches itself deeper with each passing year.
• Social media entrenches people in their existing beliefs.
• The army entrenches along the hillside before the battle.
• Bad habits become entrenched when practiced repeatedly.
• The company entrenches its market position through aggressive pricing.