[ dahy-uh-ree ]
/ ˈdaɪ ə ri /

noun, plural di·a·ries.

a daily record, usually private, especially of the writer's own experiences, observations, feelings, attitudes, etc.
a book for keeping such a record.
a book or pad containing pages marked and arranged in calendar order, in which to note appointments and the like.

Origin of diary

1575–85; < Latin diārium daily allowance, journal, equivalent to di(ēs) day + -ārium -ary

Can be confused

dairy diary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for diary

British Dictionary definitions for diary


/ (ˈdaɪərɪ) /

noun plural -ries

a personal record of daily events, appointments, observations, etc
a book for keeping such a record

Word Origin for diary

C16: from Latin diārium daily allocation of food or money, journal, from diēs day
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012