giddiness

noun
UK /ˈɡɪdinəs/
US /ˈɡɪdinəs/

A feeling that you might fall down or that the world is spinning.

She felt giddiness after spinning around in circles.


OTHER MEANINGS

2. A silly, happy, excited feeling.

The giddiness of the first day of summer made everyone laugh.

3. A lack of seriousness; silliness.

His giddiness during the meeting made it hard to stay focused.

4. A feeling of sudden joy or excitement.

A wave of giddiness washed over her when she heard the good news.