unpacable
/ˌʌnˈpækəbəl/Definitions
1. adjective
Impossible to unpack, especially due to being tightly packed.
“The fragile antique vase was unpackable from its delicate bubble wrap.”
2. adjective
Impossible to satisfy, especially because of being insatiable.
“Her appetite for knowledge was unpackable, driving her to read multiple books every week.”