Adjective

(en-adj)

Sharp and harsh, or bitter and not to the taste; pungent.

* {{quote-magazine, date=2013-06-29, volume=407, issue=8842, page=29, magazine=(The Economist)

, title= Unspontaneous combustion , passage=Since the mid-1980s, when Indonesia first began to clear its bountiful forests on an industrial scale in favour of lucrative palm-oil plantations, “haze” has become an almost annual occurrence in South-East Asia. The cheapest way to clear logged woodland is to burn it, producing an acrid cloud of foul white smoke that, carried by the wind, can cover hundreds, or even thousands, of square miles.}}

Causing heat and irritation; corrosive.

Caustic; bitter; bitterly irritating.

Adjective

(er)

intoxicating or stupefying

* The cocktail was a heady mixture of spirits.

tending to upset the mind or senses

* We looked out from a heady outcrop of rock.

exhilarating

* The rock concert was a heady mixture of their greatest hits.

intellectual

* Kierkegaard is rather heady reading for a high school student.

rash or impetuous

* He made too heady promises, and when it came time, he was never able to fulfill them.