For physical wrapping:
* Enclosed: This is a more formal option.
* Packaged: This is a more general term.
* Covered: This implies a less complete wrapping.
* Sealed: This implies a secure wrapping.
For being busy or preoccupied:
* Engrossed: This implies deep involvement.
* Absorbed: This emphasizes being completely focused.
* Preoccupied: This suggests a distracted state.
* Lost in thought: This implies a mental absorption.
For finishing something:
* Completed: This is a formal and neutral term.
* Finished: This is a more casual term.
* Concluded: This implies a finality.
* Done: This is the most informal option.
For a specific action:
* Tied up: This is often used for commitments or obligations.
* Booked: This implies a schedule filled with activities.
* Caught up: This suggests a delay or backlog.
For something hidden or concealed:
* Concealed: This implies a deliberate attempt to hide.
* Hidden: This is a more general term.
* Masked: This suggests a temporary hiding.
* Disguised: This implies a deliberate attempt to mislead.
To choose the best alternative, consider the specific context and the nuance you want to convey.