
A figment of somebody’s imagination
Metaphorical Use
It's often used to describe ideas or beliefs not based in reality, emphasizing their lack of substance.

His theory about time travel was a figment of his imagination.
Expressing Doubt
Use it to express skepticism about the reality or truth of something someone else mentions.

Are you sure that's what happened, or is it a figment of your imagination?
Emotional Impact
When used, it can imply that someone's feelings or fears are not justified because they're based on fiction.

Her worries about the monster under the bed were simply a figment of her imagination.
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension