What is "spelunkers"

Usage examples of "spelunkers".

Polyeidic magic papers, and so could be said to be a threat only to vulcanologists or ignorant spelunkers, whom a posted guard could easily warn off.

Somehow the ordinarily rational cognitive processes run amuck and exaggerate the dangers, as when beginning spelunkers think the cave will crash down on them or speakers fear the audience will think they are dumb or people avoid revealing their personal opinions and intimate feelings.