GID'DINESS, n. The state of being giddy or vertiginous; vertigo; a sensation of reeling or whirling, when the body loses the power of preserving its balance or a steady attitude, or when objects at rest appear to reel, tremble or whirl; a swimming of the head.

1. Inconstancy; unsteadiness; mutability.

2. Frolic; wantonness; levity.