Very thin or slender in form. The model was so skinny that her clothes seemed to hang off her frame.
Lacking in richness or substance. The soup was quite skinny, with more broth than vegetables.
Containing little or no fat; low-calorie (used of food or drink). He ordered a skinny latte to cut down on calories.
Tight-fitting; designed to cling closely to the body. She bought a skinny black dress for the event.