Juliet \j(u)-liet\ as a girl's name is pronounced joo-lee-ET. It is of Latin origin, and the meaning of Juliet is "youthful; Jove's child". Diminutive of Julia. Literary: Shakespeare used the name twice, in "Romeo and Juliet" and in "Measure for Measure". Dancer Juliet Prowse; actresses Juliet Stevenson, Juliette Lewis.