juggler (ˈdʒʌɡlə) n 1. (Theatre) a person who juggles, esp a professional entertainer 2. a person who fraudulently manipulates facts or figures. jug•gler (ˈdʒʌg lər) n. 1. a person who performs juggling feats, as with balls or knives. 2. a person who deceives by trickery; trickster.