Variant spelling of Juliet, from Latin Julius, meaning youthful or downy-bearded.
Juliett — with the distinctive double *t* — is a variant of Juliet, itself the English and French diminutive of Julia, derived from the Roman family name *Julius*. The etymology of Julius is debated: it may connect to the Greek *ioulos* (downy-bearded, suggesting youth) or to Jupiter/Jove via an older Indo-European root. Julia was a name of the Roman patrician class, borne by the women of the *gens Iulia*, Julius Caesar's own family.
The diminutive suffix *-ette* or *-et* softened the name into something more intimate, giving it the sense of "little Julia" — young, tender, and new. The name's immortality was secured by Shakespeare's *Romeo and Juliet* (c. 1595), which transformed a Renaissance Italian novella into the defining tragedy of young love in English-speaking culture.
Juliet Capulet — thirteen years old, brilliant, reckless with passion, and fatal in her devotion — made the name inseparable from romantic intensity and the particular tragedy of love thwarted by circumstance. The famous balcony scene and "What's in a name?" have ensured that every Juliet carries a shadow of that story.
The double-t spelling, Juliett, appears in the NATO phonetic alphabet (J is "Juliett") and in various European naming traditions, giving it both a practical and Continental distinction. In contemporary use, Juliett has a gentle creative flair — the extra letter signals deliberate intention rather than simple convention. It is the spelling of parents who know what they want, who appreciate the NATO association as a kind of cool, practical modernity layered over Shakespeare's romance. The name as a whole has never truly gone out of fashion and has seen renewed popularity in the 21st century, riding the wave of interest in vintage names with strong literary pedigree.