notebook

noun

note·​book ˈnōt-ˌbu̇k 

1

: a book for notes or memoranda

2

: laptop entry 2

especially : a particularly small or light laptop

… have been selling smaller, lighter, cheaper and more powerful notebooks for two years.

—Peter H. Lewis

—often used before another noun

a notebook computer

Examples of notebook in a Sentence

Take out your notebook and write down some of your ideas.

She kept a notebook for her poetry.

Recent Examples on the Web

Back in the day, my habit was to write in cheap notebooks with a good pen. —Literary Hub, 12 Dec. 2025

Branson is holding up a notebook page for the camera, but the writing is not legible. —Scott MacFarlane, CBS News, 12 Dec. 2025

The smiling men appear to be sharing a chuckle as Branson holds up a page from a notebook that seems to contain handwritten numbers and equations. —James Hill, ABC News, 12 Dec. 2025

Mangione's attorneys are arguing that evidence recovered on the day of his arrest — including a magazine, a gun, a silencer and a notebook of Mangione's writings — should not be admissible in his state trial. —Janelle Griffith, PEOPLE, 11 Dec. 2025

Word History

First Known Use

1568, in the meaning defined at sense 1

Rhymes for notebook

• kinderhook
• meadowbrook
• overlook
• overtook
• pocketbook
• storybook
• tillamook
• undertook
• betook
• casebook
• chapbook
• checkbook

Kids Definition

notebook

noun

note·​book ˈnōt-ˌbu̇k 

1

: a book for notes

2

: a portable computer that is similar to but usually smaller than a laptop