headiest

/HH EH1 D IY0 AH0 S T/
adjective
  1. 1

    Intoxicating or stupefying.

    โ€œThe cocktail was a heady mixture of spirits.โ€

  2. 2

    Tending to upset the mind or senses.

    โ€œWe looked out from a heady outcrop of rock.โ€

  3. 3

    Exhilarating.

    โ€œThe rock concert was a heady mixture of their greatest hits.โ€

  4. 4

    Intellectual.

    โ€œKierkegaard is rather heady reading for a high school student.โ€

  5. 5

    Rash or impetuous.

    โ€œHe made too heady promises, and when it came time, he was never able to fulfill them.โ€

Source: https://en.wiktionary.org/wiki/headiest, https://en.wiktionary.org/wiki/heady