/ˈem(p)tēnəs/
noun
1. the state of containing nothing.
"the vast emptiness of space"
synonyms: vacantness, bareness, blankness, clearness,
barrenness, desolation
2. the quality of lacking meaning or sincerity;
meaninglessness.
"he realizes the emptiness of his statement"
3. the quality of having no value or purpose; futility.
"feelings of emptiness and loneliness"
Emptiness as a human condition is a sense of generalized boredom, social alienation and apathy. Feelings of emptiness often accompany depression, loneliness, and despair. A sense of emptiness is also part of a natural process of grief, as resulting in significant changes to one’s life.