a book or digital document in which you write your experiences each day
keep a diary:
She’s kept a diary since she was twelve.
Synonyms and related words
Types of non-printed book
address book
album
appointment book
2
Britisha book or digital document that has spaces for each day of the year, where you can make a note of things you plan to do. The usual American word is appointment book or datebook.
a pocket/desk diary
Synonyms and related words
Types of non-printed book
address book
album
appointment book
diary
noun countable
US /ˈdaɪəri/
Other entries for this word
money diarynoun
diary chroniclenoun
diary chronnoun at diary chronicle
Word Forms
singular
diary
plural
diaries
DEFINITIONS2
1
a book or digital document in which you write your experiences each day