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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.

Little remains of Stanley's letters and diaries "which is really frustrating but adds to the idea that he was a private man," he said.

From BBC

Pirogova documents her treatment on Instagram, posting videos that she once jokingly called "the diary of a vampire".

From Barron's

A few Southern California’s early diaries survive, in an altered fashion, from their origins.

From Los Angeles Times

It surveyed around 5,000 people and then followed 50 couples in forensic, sometimes intrusive detail, combining statistics with diaries, interviews and "emotion maps" of what happened in the home.

From BBC

Bowel Cancer UK recommends keeping a diary of your symptoms which you can discuss with your GP.

From BBC