a. and sb. [f. L. epistola, after antiquarian, etc.]
A. adj. Addicted to or occupied in letter-writing.
1838. Jas. Grant, Sk. Lond., 7. The admirable tactics of these epistolarian impostors.
B. sb. A letter-writer.
1807. Anna Porter, Hungar. Bro., ii. (1832), 27. Ill maintain this sweet sermonising epistolarian to be a woman.