/ Thesaurus / R Synonyms of rat tat Find synonyms for: Noun1. rat-a-tat-tat, rat-a-tat, rat-tat, tappingusage: a series of short sharp taps (as made by strokes on a drum or knocks on a door)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inane Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language