Something that gives a pricking sensation; a sharp object.
Covered with sharp points.
The prickly pear is a cactus; you have to peel it before eating it to remove the spines and the tough skin.
Easily irritated.
He has a prickly personality. He doesn't get along with people because he is easily set off.
Difficult; complicated; (figuratively) hairy or thorny.
It was a prickly situation.
In a prickly manner.