Mac Dictionary’s definition:
of, relating to, or characterized by luxury or sensual pleasure : long curtains in voluptuous crimson velvet. See note at sensuous .
• (of a woman) curvaceous and sexually attractive.
ORIGIN late Middle English : from Old French voluptueux or Latin voluptuosus, from voluptas ‘pleasure.’
The second definition is more commonly used than the first. If you are a woman (or girl) who’s losing a lot of weight unnecessarily and may not fit the voluptuous category, here’s something you should take into consideration: curves should not be feared. A woman (or girl) who has a curvaceous body is healthy and sexy. No curves, might be a problem. I think all men (or boys) or women (or girls) would agree that they want a healthy women (or girl) rather than some deathly skinny model. You want to look at healthy celebrities? Look at Jennifer Aniston. She’s got curves and is still sexy. Don’t let your body tell you what is approved and what is not, that’s your brain’s job. If you think you’re a tad chubby or really chubby, lose some weight but don’t lose it all.