Definition

Something that is unclear, vague, or not well-defined, often resembling a cloud or mist.

Example

The plan was still nebulous, with many details left to be decided.

Conversation

I was reading about space last night, and I came across this nebulous concept of dark matter.

That sounds intriguing! I've always found space to be so mysterious.

Right? They say it’s all around us, but it’s still so nebulous and hard to understand.

Exactly! It's like there's so much we don't know yet.

Synonyms & Antonyms

Root Explanation

Nebulous → It is formed from "nebula" (from Latin, meaning cloud or mist) and the suffix "-ous" (meaning full of). The word "nebulous" describes something that is full of clouds or mist, hence vague or unclear.

Memory Tip

Think of a 'cloud' ('nebula') that makes things unclear or vague — that's what nebulous means.

Visually Confused Words