Pocket Thesaurus
Antonyms of missive
agenda, annotation, calendar, comment, commentary, definition, diary, dispatch, entry, epistle, gloss, inscription, journal, letter, line, mark, memorandum, message, minute, missive, observation, record, remark, reminder, scratch, scrawl, scribble, summary, word, memo, obiter dictum, jotting, marginalia, thank-you
See this content immediately after install