If you are looking for words to describe someone or something as lean-looking, there are a few synonyms that would work just as well. Some of these alternatives include slender, trim, svelte, and lithe. Other options might include lanky, wiry, sinewy, or gaunt. Depending on the context, you might also consider using descriptions like thin, skinny, or underweight. These synonyms can be applied to both people and objects, and can help to convey a sense of elegance, grace, or athleticism. Whether you are describing a person's physique or a sleek, streamlined sports car, the right synonym can add depth and complexity to your writing.