ungraspable
Ungraspable is an adjective used to describe something that cannot be physically held or grasped. It implies a lack of solidity or a nature that eludes physical contact. This can apply to a variety of concepts, both literal and figurative.
In a literal sense, ungraspable things are intangible. For example, mist or smoke are ungraspable, as they
Figuratively, ungraspable refers to abstract ideas or qualities that are difficult to comprehend, define, or control.