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

And host Cynthia Littleton offers reporter’s notebook observations after a week that started with the Consumer Electronics Show in Las Vegas and ended with the Golden Globe Awards swirl in Hollywood. —Cynthia Littleton, Variety, 12 Jan. 2026

Several Altoona officers testified during a three-week hearing in state court where Mangione is seeking to exclude evidence police seized from his backpack, including the alleged murder weapon, a notebook and writings. —Aaron Katersky, ABC News, 12 Jan. 2026

Mangione's defense team has argued in both state and federal court that the contents of Mangione's backpack, including a pistol and notebook, should not be admitted at trial because police searched the backpack prior to receiving a search warrant. —Jesse Zanger, CBS News, 12 Jan. 2026

Make Lists Add lists in your phone or a notebook of where items are stored. —Mary Marlowe Leverette, The Spruce, 10 Jan. 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