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adj. lank·er, lank·est
1. Long and lean. See Synonyms at lean2.
2. Long, straight, and limp: lank and floppy hair.
[Middle English, from Old English hlanc.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.