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

Causing heat and irritation; corrosive; as, acrid secretions.

Caustic; bitter; bitterly irritating; as, acrid temper, mind, writing.

An herb or substance that has a hot biting taste, or causes heat and irritation when applied to the skin. (Syn: Caustic Cauterant, Corrosive, Escharotic)

A secondary coffee taste sensation characterized by a sour sensation on the back sides of the tongue. Caused by higher-than-normal percentage of sour acids and a high concentration of salts. This is relatively common in unwashed coffee from the Americas but is very rare in Ethiopian coffees.

irritating and bitter (usually referring to smell).

strong and sharp; "the acrid smell of burning rubber"

harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"

This is basically the opposite of a high acidity coffee and refers to the sour aftertaste that the coffee leaves in your mouth. Acrid flavors are generally seen as a flavor defect and are often the result of poor processing or low quality beans.

leaving a burning sensation in the mouth

Describes a harsh or bitter taste or pungent smell that is due to excess sulfur.

adj. Harshly pungent or bitter.

A term used to characterize cheese that is sharp, bitter or irritating in taste or smell.

A burnt flavor that is sharp, bitter, and perhaps irritating.

A harsh or bitter taste or pungent smell, which can be due to too much sulfur still present in the wine.

intensely sharp and burning (peppery)

taste can be considered pungent, bitter, choking, sharp, unpleasant, harsh - sharp, cutting, caustic, bitter, vitriolic, mordant, trenchant - sour, tart, sharp, biting, acerbic.