fortress /förˈtrəs or fōrˈ/

1. A fortified place
2. A defence

To guard

• immaterializing
• immaterially
• immature
• immaturely
• immatureness
• immaturenesses
• immaturities
• immaturity
• immeasurable
• immeasurableness
• immeasurably
• immeasured
• immediacies
• immediacy
• immediate
• immediate access store
• immediate constituent
• immediate constituents
• immediately
• immediateness
• immediatenesses
• immediatism
• immediatisms
• immedicable
• Immelmann turn