en
citadel
/ˈsɪt̬.ə.del/
Definition
1
A fortress, typically on high ground, protecting or dominating a city.
2
Any strongly defended place or stronghold, often used metaphorically for a secure position or refuge.
3
The core or central part of a system or organization that is heavily protected.
Examples
In the boardroom battle, her unyielding position on the budget was a citadel no one dared assault.
He turned his garage into a citadel of vintage vinyl, where dusty records reigned supreme over streaming apps.
The toddler's blanket fort stood as a citadel against bedtime, repelling parental advances with pillow projectiles.
Amid the office drama, her coffee mug was the last citadel of sanity in a sea of passive-aggressive emails.