Having sharp points like needles.
Of a leaf, slender and pointed, needle-like.
Needle-shaped; slender like a needle or bristle.
Having a sharp and stiff point.
Stinging; acerbic.
Having a strong odor that stings the nose, said especially of acidic or spicy substances.
Having a strong taste that stings the tongue, said especially of hot (spicy) food, which has a strong and sharp or bitter taste.