Flaunting (verb) – to display or obtrude oneself to public notice: a great flaunting crow – Charles Dickens.

https://www.merriam-webster.com/dictionary/flaunt

Quicksand: chapter 13, page 99

“Left alone, Helga began to wonder. She was dubious, too, and not a little resentful. Certainly, she loved the color with a passion that perhaps only Negroes and Gypsies know. But she had a deep in the perfection of her own taste, and no mind to be bedecked in flaunting flashy things. Still- she had to admit that Fru Dahl was right about the dressing down. It did suit her. Perhaps an evening dress. And she knew that she had lovely shoulders, and her feet were nice.”

Helga has her own taste and she knows what suits her better, however, Fru Dahl recommended to were the dress as a “display” he picked for her for the evening at first, she was kind of upset but later she began to realize that Fru was right about how a dress looks good on her and her body was perfect for a dress.