slender, slight, slim, svelte -- (being of delicate or slender build; "she was slender as a willow shoot is slender"- Frank Norris; "a slim girl with straight blonde hair"; "watched her slight figure cross the street")
slender, thin -- (very narrow; "a thin line across the page")
slender -- (having little width in proportion to the length or height; "a slender pole")
slender, slim -- (small in quantity; "slender wages"; "a slim chance of winning"; "a small surplus")