firmlyattached
adjectiveUK /ˈfɜːmli əˈtætʃt/
US /ˈfɜːrmli əˈtætʃt/
Stuck on very tightly and not easy to pull off.
The sticker is firmly attached to the notebook.
OTHER MEANINGS
2. Very closely connected to a person or group in a loyal way.
She is firmly attached to her old friends.
3. Strongly believing in an idea and not wanting to change.
He is firmly attached to his daily routine.
4. Joined to something so it cannot come loose.
The shelf is firmly attached to the wall.