Definitions

1. noun

A state of feeling lightheaded or dizzy; a quality of being light or airy in manner or effect.

“The headiness of the champagne made her feel lightheaded.”

2. noun

A quality of being proud or arrogant; a sense of superiority.

“His headiness was off-putting to those who knew him.”

3. noun

The quality of being abstract or intangible; a sense of being detached or disconnected.

“The headiness of the concept made it difficult to grasp.”