diary

noun

di·​a·​ry ˈdī-(ə-)rē How to pronounce diary (audio)
plural diaries
1
: a record of events, transactions, or observations kept daily or at frequent intervals : journal
especially : a daily record of personal activities, reflections, or feelings
2
: a book intended or used for a diary

Examples of diary in a Sentence

has diligently kept a diary since she was 15
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But the heart of the film lies in his writings — letters, diaries and poems, most of which were found on his body. Lise Pedersen, Variety, 11 Apr. 2025 After the diary room, Rourke returned to the group and pulled Siwa aside to apologize. Lauren Huff, EW.com, 10 Apr. 2025 There are Gen Zers who love to pack repertory screenings, storm Letterboxd with their film diaries and test the limits of their AMC Stubs A-List subscriptions. Ryan Faughnder, Los Angeles Times, 8 Apr. 2025 Its tactics allegedly include limiting who the participants are allowed to contact, monitoring their calls and personal diary entries and even keeping them inside the headquarters by armed guards, per the outlet. Jordana Comiter, People.com, 2 Apr. 2025 See All Example Sentences for diary

Word History

Etymology

Latin diarium, from dies day — more at deity

First Known Use

1581, in the meaning defined at sense 1

Time Traveler
The first known use of diary was in 1581

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Cite this Entry

“Diary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diary. Accessed 22 Apr. 2025.

Kids Definition

diary

noun
di·​a·​ry ˈdī-(ə-)rē How to pronounce diary (audio)
plural diaries
: a daily record especially of personal experiences and thoughts
also : a book for keeping such a record
Etymology

from Latin diarium "a record of business dealings or activities during the day," from dies "day" — related to meridian, sunday see Word History at sunday

More from Merriam-Webster on diary

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