Vaporous is an adjective that means vague or lacking substance.

The root word of the vaporous is vapor, which comes from the Latin word ‘vaporum’ (va POOR um) meaning ‘warm steam’ or ‘heat.’ Vapor can also refer to something ‘unsubstantial or vague.’

Here’s an example of vaporous:

As a college professor, it’s always easy to tell when an essay is written by a student who doesn’t understand their subject. These essays tend to be vaporous and imprecise, while