Knave

Part of speech: noun (n.)

1. A boy; especially, a boy servant. [Obs.] Wyclif. Chaucer. O murderous slumber, Lay'st thou thy leaden mace upon my boy That plays thee music Gentle knave, good night. Shak.

2. Any male servant; a menial. [Obs.] Chaucer. He's but Fortune's knave, A minister of her will. Shak.

3. A tricky, deceitful fellow; a dishonest person; a rogue; a villain. "A pair of crafty knaves." Shak. In defiance of demonstration, knaves will continue to proselyte fools. Ames.

4. A playing card marked with the figure of a servant or soldier; a jack. Knave child, a male child. [Obs.] Chaucer.

Synonyms: Villain; cheat; rascal; rogue; scoundrel; miscreant.