← BackshareGuessknavish/ˈneɪvɪʃ/adjectiveHaving the qualities of a knave; dishonest, mischievous, or roguish.The knavish merchant sold watered-down wine.He gave a knavish grin before pulling the prank.Her knavish behavior eventually got her banned from the club.SynonymsroguishdishonestdeceitfulAntonymshonest