Definition of notion
1a (1) : an individual's conception or impression of something known, experienced, or imagined <They had different notions of right and wrong.> (2) : an inclusive general concept <arriving at the notion of law — Irving Babbitt> (3) : a theory or belief held by a person or group <the notion of original sin>b : a personal inclination : whim <He had a notion to try skydiving.>
3 notions plural : small useful items : sundries <found the thread she wanted among the shop's notions>
Examples of notion in a sentence
He has some pretty strange notions.
She had a vague notion about what happened.
The study disproves any notion that dolphins are not intelligent.
She had a notion to try skydiving.
a sewing shop that sells fabrics, books, tools, and notions
Origin and Etymology of notion
Latin notion-, notio, from noscere
First Known Use: 1531
Synonym Discussion of notion
NOTION Defined for Kids
Seen and Heard
What made you want to look up notion? Please tell us where you read or heard it (including the quote, if possible).