a book in which you record your thoughts or feelings or what has happened each day
I do not let anybody read my diary.
She faithfully wrote in her diary every night, documenting her reflections and experiences.
The explorer's diary detailed the challenges faced during the arduous journey through uncharted territories.
Keeping a diary can be a therapeutic way to express emotions and track personal growth.
The wartime nurse recorded her daily experiences and observations in a small leather-bound diary.
