Sentence:  As popularized by Jackie Kennedy, the little nothing, its partisans explain, also aims for the look of unostentatious but expensive elegance that goes beyond mere chic. Most little nothings today are essentially grown-up versions of sleeveless, high-necklined junior dresses, <WSD>unfitted</WSD>, but figure-suggesting. 
Meaning of the word marked with <WSD> tags:  Not customized, tailored or cut to fit.