di·​a·​ry ˈdī-(ə-)rē How to pronounce diary (audio)
plural diaries
: a record of events, transactions, or observations kept daily or at frequent intervals : journal
especially : a daily record of personal activities, reflections, or feelings
: 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 Ahead, see her photo diary from the most fashionable week of the year. Hedy Phillips, Peoplemag, 14 Sep. 2023 Jump ahead: The finances The diet The expenses The diary The finances What are your pronouns? Bon Appétit Contributor, Bon Appétit, 8 Sep. 2023 Scroll through to see more of the fashion designer Yoon Ahn’s trip to Bali and Australia, and click here to see our collection of Designer Holiday diaries. Laia Garcia-Furtado, Vogue, 26 Aug. 2023 Personal stories have become one of the most effective content and engagement generators on TikTok, creating a culture of confession that encourages turning diaries into guestbooks. Angela Yang, NBC News, 3 Sep. 2023 Kaplan’s frustration is not new, perhaps peaking in August, when the defendant leaked excerpts of the private diary of former FTX executive, star witness, and SBF’s one-time girlfriend Caroline Ellison to the New York Times. Byleo Schwartz, Fortune Crypto, 30 Aug. 2023 In the end, his children didn’t need to find out what happened to their father on that terrifying night from the video diaries on his iPhone. Whitney Shefte, Washington Post, 17 Aug. 2023 In 2012 Page sought to auction Powell’s 43-volume diary with a minimum bid of $500,000, but got no takers. cleveland, 23 Aug. 2023 On TikTok—where Gen Z fashion trends are painstakingly documented—boxer shorts have taken on a starring role in outfit diaries, street style trackers, and style hack videos galore. Laia Garcia-Furtado, Vogue, 23 Aug. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'diary.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

Dictionary Entries Near diary

Cite this Entry

“Diary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diary. Accessed 22 Sep. 2023.

Kids Definition


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

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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