Indivisible: Cannot be divided into parts.

Inseparable: Unable to be separated from another object.

Fixed: Permanently attached or secured in place.

Attached: Joined together firmly; not loose.

Bound: Tightly connected or tied down securely.

Permanent: Lasting indefinitely without change or removal.

Cohesive: Sticking together tightly; forming a unified whole

Quality of being inseparable or fixed.

State of not being removable or detachable.

Characteristic of permanence in attachment.

Condition indicating inability to detach easily.

Attribute denoting a strong bond between components.