Having a strong odor that stings the nose, said especially of acidic or spicy substances.
I accidentally dropped the bottle of ammonia and after few seconds, a very pungent stench could be detected.
Having a strong taste that stings the tongue, said especially of hot (spicy) food, which has a strong and sharp or bitter taste.
Stinging; acerbic.
The critic gave a pungent review.
Having a sharp and stiff point.