relating to, denoting, conducted by, or contained in letters (of a novel or other work) constructed in the form of a series of letters
WordReference Random House Unabridged Dictionary of American English © 2025
e•pis•to•lar•y
(i pis′tl er′ē),USA pronunciation adj.
- contained in or carried on by letters:an epistolary friendship.
- Literatureof, pertaining to, or consisting of letters.
- Latin epistolāris of, belonging to a letter. See epistle, -ar1
- 1650–60
Collins Concise English Dictionary © HarperCollins Publishers::
'epistolary' also found in these entries (note: many are not synonyms or translations):