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

Parker, who started his career as a shoe designer, would sometimes sit in meetings sketching sneakers in his notebook. — Preston Fore, Fortune, 29 Sep. 2026

After jotting down his wishes in his notebook, Jason winds up at his mother’s doorstep in a Chicago where Jason Dessen died at age 16. — Scott Tobias, Vulture, 25 Sep. 2026

Lindblom Math and Science Academy students sat in a semicircle with some of the University of Illinois System’s top officials, notebooks in front of them and pens in hand. — Kate Perez, Chicago Tribune, 25 Sep. 2026

Next, the less obvious places where data ends up start to surface, such as the vector store, the serving trace, the logs and the notebook a data scientist ran last March and never cleaned up. — Jeremy Samuelson, Forbes.com, 24 Sep. 2026

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