Lacking taste or flavor; without seasoning, spice, or discernible qualities of taste.
Flat; lacking character or definition.
Without flavor.
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.
Having a sharp and stiff point.
Having a strong odor that stings the nose, said especially of acidic or spicy substances.