adjective
slender
SLEN-der/ˈslendər/
Narrow and slight in form.
A slender vase holds a single flower on the table.

Etymology
Old French esclendre meant “thin” or “slender.” English retained this physical sense and extended it to things narrow in proportion to their length, underlying the description of a thin, graceful shape.
In context
… gazel are generally smaller and more slender than impal with long slender legs and a streamlined body shape …
More examples
- Her slender fingers move quickly over the piano keys.
- The bird lands on a slender branch.
- A tall, slender tower rises above the rooftops.
Forms
slender · slenderer · slenderest
slenderness noun — The quality of being thin and narrow.