thistly

1. Overgrown with thistles; as, thistly ground.

2. Fig.: Resembling a thistle or thistles; sharp; pricking.

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

adjective

Full of sharp needlelike protuberances: briery, echinate, prickly, pricky, spiny, thorny. See sharp/dull.