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Synonyms

diary

American  
[dahy-uh-ree] / ˈdaɪ ə ri /

noun

plural

diaries
  1. a daily record, usually private, especially of the writer's own experiences, observations, feelings, attitudes, etc.

    Synonyms:
    chronicle, log, daybook, journal
  2. a book for keeping such a record.

    Synonyms:
    chronicle, log, daybook, journal
  3. a book or pad containing pages marked and arranged in calendar order, in which to note appointments and the like.


diary British  
/ ˈdaɪərɪ /

noun

  1. a personal record of daily events, appointments, observations, etc

  2. a book for keeping such a record

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of diary

1575–85; < Latin diārium daily allowance, journal, equivalent to di ( ēs ) day + -ārium -ary

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Easter gathering at St George's Chapel is an annual event in the royal diary, with members of the family facing photographers as they arrive for the church service.

From BBC • Mar. 30, 2026

By the age of 10, helped by a precisely plotted parental diary, Jarrell-Searcy had tried gymnastics, baseball, soccer, basketball and swimming.

From BBC • Mar. 26, 2026

Throughout all these storms, Kaplan found emotional sustenance from his lifelong companion, his diary.

From The Wall Street Journal • Mar. 24, 2026

With a newfound maturity and emotional depth, Swanberg is continuing to make movies that are part diary, part generational markers.

From Los Angeles Times • Mar. 14, 2026

Is this where she lived and slept and wrote in her diary and —was Luc in this room, too?

From "The Brightwood Code" by Monica Hesse