The word “nebulous” is an adjective that describes something that is unclear, vague, or lacking definite form or boundaries. It is often used to describe ideas, concepts, or situations that are hazy or indistinct.

Interesting fact: The word “nebulous” comes from the Latin word “nebula,” which means “cloud” or “mist.” This origin reflects the idea of something being cloudy or foggy, further emphasizing its meaning of being unclear or vague.