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

Also recovered were two notebooks, superglue, UPS packages and other miscellaneous items, according to the report. —Lillie Davidson, Fort Worth Star-Telegram, 22 Nov. 2025

Windle meticulously tracks his experiments in a thick notebook, noting how the sweetness of each fruit adds to the complexity of a cocktail, that rice vodka might be too strong for one fruit, or exactly when to ferment black plums. —Annemarie Dooling, Bon Appetit Magazine, 19 Nov. 2025

The legal battle came after Saudi national Omar al-Bayoumi was seen on video casing the Capitol in the summer of 1999, pointing out Congress, the Washington Monument and the skyline and jotting down in a notebook a formula to calculate the rate of descent. —Joe Dwinell Boston Herald, Arkansas Online, 19 Nov. 2025

Here’s our Week 12 Bills notebook. —Joe Buscaglia, New York Times, 19 Nov. 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