Breadcrumb Home > Thesaurus > P Synonyms of painstaking Find synonyms for: Adjective 1. conscientious, painstaking, scrupulous, careful (vs. careless) usage: characterized by extreme care and great effort; "conscientious application to the work at hand"; "painstaking research"; "scrupulous attention to details" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of painstaking (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: anichean Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language