- a person who keeps or writes a diary, esp one that is subsequently published
WordReference Random House Unabridged Dictionary of American English © 2026
di•a•rist
(dī′ə rist),USA pronunciation n.
di′a•ris′tic, adj.
- a person who keeps a diary.
- diar(y) + -ist 1810–20
Collins Concise English Dictionary © HarperCollins Publishers::
diarist /ˈdaɪərɪst/ n
di•a•ry /ˈdaɪəri/USA pronunciation
n. [countable], pl. -ries.
WordReference Random House Unabridged Dictionary of American English © 2026- a daily written record of one's observations and feelings:Keep a diary of everyday happenings.
- a book for keeping such a record:She wrote in her diary.
- a book for noting daily appointments:I've checked my diary and I'm free next week.
di•a•ry
(dī′ə rē),USA pronunciation n., pl. -ries.
- a daily record, usually private, esp. 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.
- Latin diārium daily allowance, journal, equivalent. to di(ēs) day + -ārium -ary
- 1575–85
- 1. 2. journal, daybook, log, chronicle.
'diarist' also found in these entries (note: many are not synonyms or translations):