What is Diary?
1.
A book that you can write all your thoughts and feelings in.
You can also write evil stuff about the people you hate.
People like to read other peoples' diaries.
My cousin went mad when she found out that I read her diary.
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2.
A recording of one's inner thoughts and emotions. A place for one to vent their emotions/thoughts on. And also, eventually a place for someone else to read and realize the past thoughts of the previous user.
Carla wrote in her diary every night, and said what she thought about everyone around her, and how her day went.
3.
A notebook containing one's personal thoughts, feelings, plans, attitudes, observations, and the like. Written in usually at frequent intervals, usually but not always kept private.
I've kept a diary since I was 7. It's fun to read later.
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4.
normally a book, that ppl write in a lot, usually private things that they dont want anyone else to read, so naturally anyone who gets their hands on it has a flick thru.
bryan read my diary. again.
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5.
Short for
Bob's toilet was full of diary.