epistolary

/ɪˈpɪstəˌlɛri/
adjective
  1. Relating to or consisting of letters (written messages).
    • Historians value epistolary documents for their personal insights into the past.
    • The novel is written in an epistolary style, made up of letters between the characters.
    • She kept an epistolary friendship with her pen pal for over ten years.
  2. Relating to a literary work that is composed of letters, diary entries, or other documents.
    • The author chose an epistolary format to give readers direct access to the characters' thoughts.
    • Epistolary fiction became especially popular in the 18th century.
    • Many classic epistolary novels, like 'Dracula', use letters to build suspense.
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