%thistly%

a. 1. Overgrown with thistles; as, thistly ground. [ 1913 Webster ]

2. Fig.: Resembling a thistle or thistles; sharp; pricking. [ 1913 Webster ]

In such a world, so thorny, and where none
Finds happiness unblighted, or, if found,
Without some thistly sorrow at its side. Cowper. [ 1913 Webster ]