| emptiness(noun, full, opening, void, hollow) |
| futility(noun, uselessness) |
| insincerity(noun, falsehood, falseness, inaccuracy, spuriousness) |
| vacuity(noun, full, opening, void, hollow) |
| vacancy(noun, full, opening, void, hollow) |
| vacuum(noun, full, opening, void, hollow) |
| blankness(noun, full, void, desolation, emptiness) |
| concavity(noun, concavity) |
| uselessness(noun, idleness, emptiness, worthlessness, pointlessness) |
| void(noun, full, opening, hollow, desolation) |
| depression(noun, concavity) |
| falseness(noun, falsity, inaccuracy, spuriousness) |
| pointlessness(noun, idleness, uselessness, emptiness, meaninglessness) |
| blank(noun, space, void, desolation, emptiness) |
| cavity(noun, opening, void, hollow, emptiness) |
| fruitlessness(noun, idleness, uselessness, emptiness, worthlessness) |
| hollow(opening, void, emptiness, concavity, vacuum) |
| hopelessness |
| inanity(noun, full, triviality, levity, superficiality) |
| barrenness(noun, full, desolation, vacuum) |