Definition of "heady"

heady

/ˈhɛdi/

adjective
comparative headier, superlative headiest
1. Intoxicating or stupefying.
  Quotations
  Lilac wine is sweet and heady, like my love / Lilac wine, I feel unsteady, like my love
  1950, James Shelton (lyrics and music), “Lilac Wine”
2. Tending to upset the mind or senses.
3. Exhilarating.
4. Intellectual.
5. Rash or impetuous.