Entry 2 senses Webster, 1913 juju · IPA /ˈd͡ʒuːd͡ʒu/ 01 n. the magical power associated with a juju{2}. 1. the magical power associated with a juju{2}. 2. An object superstitiously believed to embody magical powers; a fetish. Syn. voodoo, hoodoo, fetish.