Emptiness

Part of speech: noun (n.)

1. The state of being empty; absence of contents; void space; vacuum; as, the emptiness of a vessel; emptiness of the stomach.

2. Want of solidity or substance; unsatisfactoriness; inability to satisfy desire; vacuity; hollowness; the emptiness of earthly glory.

3. Want of knowledge; lack of sense; vacuity of mind. Eternal smiles his emptiness betray. Pope. The sins of emptiness, gossip, and spite. Tennyson.