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

Elsewhere in Westman’s notebook, per The Post, Westman admitted feeling regret for transitioning genders and acknowledged never being about to achieve a true transition. —Mia Cathell, The Washington Examiner, 1 Sep. 2025

People parsed the Aurora assailant’s notebook entries and social media photos for clues. —Ernesto Londoño, Twin Cities, 1 Sep. 2025

Bernhardt gave law enforcement her notebook containing a lengthy script Adelson penned for Bernhardt to study. —Lauren Del Valle, CNN Money, 30 Aug. 2025

Kids are cracking open fresh notebooks, college campuses are buzzing again, and there’s a collective sense of renewal in the air. —Mark Murphy, Forbes.com, 29 Aug. 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