emptinessn.[From Empty.]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; as, 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.)