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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.

For “Liberty’s Dawn: A People’s History of the Industrial Revolution,” Emma Griffin studied hundreds of diaries kept by English workers during the period.

From The Wall Street Journal

Days after his release, Sarkozy's team announced the former president was writing a book about his three weeks in jail, titled "A prisoner's diary".

From BBC

“Daily Memo” has become the diary Los Angeles never asked for but which is now indispensable, documenting in real time one of the most terrifying chapters in the region’s history.

From Los Angeles Times

Green’s Dictionary of Slang cites a 1917 diary entry: “It wasn’t exactly a ‘gravy’ job.”

From Salon

Queen Elizabeth II gave Smith access to her parents’ letters and diaries in order to write this account.

From New York Times