adj. 25B6; adjective
a frothy liquid : FOAMING, foamy, bubbling, bubbly, fizzy, sparkling, effervescent, gassy, carbonated; sudsy; poetic/literary spumy, spumous.
a frothy pink evening dress : FRILLY, flouncy, lacy.
a frothy woman's magazine : LIGHTWEIGHT, light, superficial, shallow, slight, insubstantial; trivial, trifling, frivolous.