adj., -ni·er, -ni·est.
- Very thin. See synonyms at lean2.
- Of, relating to, or resembling skin.
Inside information; the real facts: learned the skinny on their falling-out.
skinniness skin'ni·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.