prickˈly adjective

1. Full of or covered with prickles
2. Tingling as if prickled
3. Easily annoyed, irritable, thin-skinned
4. Potentially controversial

prickˈleback noun

The stickleback

prickly ash noun

The toothache tree (genus Xanthoxylum)

prickly heat noun

A skin disease, inflammation of the sweat glands with intense irritation

prickly pear noun

1. A cactaceous genus (Opuntia) with clusters of prickles
2. Its pear-shaped fruit

prickly poppy noun

A flowering plant of the poppy family with prickly leaves (genus Argemone)