slim, refined, lissom, urbane, lithesome, lissome, sylphlike, slender, slight, thin, supple, agile, polished, graceful, svelte.
Round and round they twisted and turned their lithe
He was a man of twenty- four or twenty- five, lithe
The boy- for he was no more than a boy- sat the beast as though born to it, his lithe
frame taking every motion of his mount as softly as a good boat rides the sea.