I am making a guess that the name of the experience that I've just elicited would fit into the general, vague category called "upset."

In their 1980's heyday, the B-52's and the Pretenders were both considered new wave rock, which shows how vague a category can be.

Deanna was talking with a Vulcan who was in the vague category.

Rock 'n' roll is the unmarked section in the record store, a vague pop-music category that swallows all the others.

"In this vague category of historical items, it is up to individuals to judge what's important."

Still, knowing a pianist's particular pedagogical lineage can be useful, more so than relying on vague categories like national schools.

Grants are now awarded in four somewhat vague categories, rather than in specific disciplines, like dance or theater.

Anything is too vague a category.

The new generation, like Roh's ordinary men, is a popular and equally vague social category one hears much about in South Korea.