Definitions

1. adjective

having a long, thin, and often unkempt or untidy appearance; unkempt; disheveled

“The lank hair fell to his shoulders.”

2. noun

a long, thin, and narrow strip of land, especially one that is part of a coast or a riverbank

“The lank of beach was exposed to the strong winds.”

3. noun

a length of something (such as a cord, wire, or fiber) that is thin and weak

“The lank of twine snapped easily.”