Pronunciation: /əˈdrɛs bʊk/
noun a book or electronic device in which names, addresses, and other contact information are stored
A1 My address book helps me keep track of my friends' contact information.
A2 I lost my address book and now I can't remember anyone's phone number.
B1 I use my address book to send out invitations for my upcoming party.
B2 I prefer to keep my address book updated with current addresses and phone numbers.
C1 With the advancement of technology, many people now use digital address books instead of physical ones.
C2 I have a detailed address book that includes not only contact information, but also important dates and notes about each person.
formal I keep all my important contacts organized in my address book.
informal Hey, can you check your address book for your cousin's number?
slang I lost my address book and now I'm totally screwed.
figurative The library is like my address book for finding information on any topic.
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