/ Thesaurus / L Synonyms of lap dog Find synonyms for: Noun1. lapdog, dog, domestic dog, Canis familiarisusage: a dog small and tame enough to be held in the lapWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language