lank
Lank is an English adjective that describes something long, slender, and often straight or limp. It is frequently used for hair that lies straight and lifeless, or for limbs that appear thin and elongated. The sense can carry a neutral or slightly negative nuance, depending on the context.
In hair-related usage, lank hair is characteristically straight and lacking curl, sometimes described as hanging flat
The word derives from Middle English and is related to other Germanic forms meaning thin or slender.
Lank has derivative forms such as lankness (the quality of being lank) and, in some cases, the