A notion is a simple idea or thought about something. People use it when they think or guess about a subject.
I have a notion about the new plan.
She has no clear notion of time.
This meaning means an idea that someone believes is true, even if it is not proven. It shows personal thoughts or feelings.
He has the notion that she is right.
Many people dislike the notion of change.
In sewing or crafts, notions are small items like buttons, threads, or pins. They are useful tools or accessories.
She bought sewing notions like buttons.
The store sells many notions for crafts.
This meaning shows a quick thought or feeling that comes suddenly, often without much thinking. It can be a guess or a small urge.
I had a strange notion to call him.
She followed her notion and left early.
This use refers to an idea or belief used to explain something, often in science or philosophy. It may not be fully proven but is used for thinking.
The notion of time travel fascinates many.
They studied the notion of gravity in science.
