The term 'slender and graceful' can be described by two words: LITHE and SVELTE. LITHE is an adjective meaning 'graceful and flexible, ' while SVELTE is an adjective meaning 'slender and graceful.' Both words are often used to describe a person's physical appearance, but they can also be used to describe objects or movements. Both words have been used in literature and poetry for centuries to describe beauty and grace.