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https://en.wikipedia.org/wiki/Emptiness
Emptiness - Wikipedia
An illustrative page rendered empty by absence of Plate III [1] Emptiness as a human condition is a sense of generalized boredom, social alienation, nihilism, and apathy. Feelings of emptiness often accompany dysthymia, [2] depression, loneliness, anhedonia, despair, or other mental/emotional disorders, including schizoid personality disorder, post-traumatic stress disorder, attention deficit ...
These adjectives mean without contents that could or should be present. Empty is the broadest and can apply to what lacks contents (an empty box), occupants (an empty seat), or substance (an empty promise).