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Definition of diary

diary

/ˈdaɪ.ə.ɹi/
di · a · ry
Plural:diaries
•
Adjective:diaristic
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diary Lexical Profile

diary Game Scores & Validity

• noun

1

A physical book or digital document in which one keeps a daily record of events, experiences, and personal thoughts.

Example

"She wrote in her diary every evening to process the complex emotions she felt during the day."

2

British An appointment book or calendar used for planning daily activities, scheduling meetings, and noting future engagements.

Example

"Let me check my diary to see if I am available for a lunch meeting next Thursday."

Synonyms
View all synonyms for diary

Word Nuance & Usage

Frequently misspelled as 'dairy', which refers to milk production and products.

• Rhymes for diary

• Nearby Words

diarist
diarrhea
diarrheal
diary
diascia
diaspora
diastolic

Word Origin & Etymology

From the late 16th century: via Latin 'diarium' meaning 'daily allowance' or 'daily journal', derived from 'dies', meaning 'day'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Diary. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/diary
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