/ Thesaurus / S Synonyms of short letter Find synonyms for: Noun1. note, short letter, line, billet, personal letterusage: a short personal letter; "drop me a line when you get there"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language