heady

Etymology

From Middle English hedi, hevedi, equivalent to head + -y.

adj

1. Intoxicating or stupefying.
   The cocktail was a heady mixture of spirits.
   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.
   We looked out from a heady outcrop of rock.
3. Exhilarating.
   The rock concert was a heady mixture of their greatest hits.
4. Intellectual.
   Kierkegaard is rather heady reading for a high school student.
5. Rash or impetuous.
   He made such heady promises that when the time came, he was never able to fulfill them.