Bouldering: Noun vs. Verb - Understanding the Term

As a noun, bouldering refers to the activity of climbing large rocks or boulders, typically without the use of ropes or other safety equipment. It is a type of rock climbing that is typically done on shorter, more challenging routes.

As a verb, bouldering refers to the act of participating in the activity of bouldering. For example, you could say "I went bouldering yesterday."