Breadcrumb Home > Thesaurus > S Synonyms of sliest Find synonyms for: Adjective1. crafty, cunning, dodgy, foxy, guileful, knavish, slick, sly, tricksy, tricky, wily, artful (vs. artless)usage: marked by skill in deception; "cunning men often pass for wise"; "deep political machinations"; "a foxy scheme"; "a slick evasive answer"; "sly as a fox"; "tricky Dick"; "a wily old attorney"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of sliest (Dictionary) ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language