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

(en adjective)

Containing sarcasm.

(of a person) Having the personality trait of expressing sarcasm.

* 1912 ,

Her eyes slanted a little... and were sometimes full of fiery determination and sometimes dull and opaque. Her expression was never altogether amiable; was often, indeed, distinctly sullen, or, when she was animated, sarcastic .