diary

noun

di·​a·​ry ˈdī-(ə-)rē 

plural diaries

1

: a record of events, transactions, or observations kept daily or at frequent intervals : journal

especially : a daily record of personal activities, reflections, or feelings

2

: a book intended or used for a diary

Synonyms

• daybook
• journal

Examples of diary in a Sentence

has diligently kept a diary since she was 15

Recent Examples on the Web

The Duke of course is understanding of his father’s diary of commitments and various other priorities and hopes to see him soon. —Kirsty Hatcher, Peoplemag, 9 May 2024

Advertisement Science & Medicine A potent antibiotic has emerged in the battle against deadly, drug-resistant superbugs Jan. 3, 2024 The stories in the online diary are often harrowing. —Corinne Purtill, Los Angeles Times, 7 May 2024

Word History

Etymology

Latin diarium, from dies day — more at deity

First Known Use

1581, in the meaning defined at sense 1

Phrases Containing diary

• keep a diary

Kids Definition

diary

noun

di·​a·​ry ˈdī-(ə-)rē 

plural diaries

: a daily record especially of personal experiences and thoughts

also : a book for keeping such a record

Etymology

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