Sly Sly synonyms wily sly and wily crafty sly and crafty cunning sly and cunning foxy sly and foxy tricky sly and tricky artful sly and artful guileful sly and guileful slick sly and slick furtive sly and furtive subtle sly and subtle Full list of synonyms (919) Sly antonyms honest sly and honest artless sly and artless straightforward sly and straightforward open sly and open ingenuous sly and ingenuous guileless sly and guileless simple sly and simple straight sly and straight truthful sly and truthful unaffected sly and unaffected Full list of antonyms (54) Share this picture Share this image Share this picture Share this image