Sylphlike

Soon advancing through the hall, he saw the sylphlike figure of the lovely Olympia […]

Source: wiktionary

[…] the thin robes Floating like light clouds ’twixt our gaze and heaven; The many-twinkling feet so small and sylphlike, Suggesting the more secret symmetry Of the fair forms which terminate so well—

Source: wiktionary

Arm's length from her he saw the sylphlike grace of her girlish body

Source: wiktionary

Once Tex had said to me, very sister-to-sister, “Aren’t we mad, we gay boys, starving ourselves to sylphlike fragility, all so we can attract a straight cop with a beer belly?”

Source: wiktionary