KNAVE Meaning of KNAVE in English n.1 a rogue, a scoundrel. 2 JACK(1) n. 2. Derivatives: knavery n. (pl. -ies). knavish adj. knavishly adv. knavishness n. Etymology: OE cnafa boy, servant, f. WG Oxford English vocab. Оксфордский английский словарь. 2012