WordWeb Online

1. The quality of being slight or inadequate
   "he knew the slenderness of my wallet"; "the slenderness of the chances that anything would be done"; "the slenderness of the evidence"
    
2. Relatively small dimension through an object as opposed to its length or width
   "the slenderness of a rope"
   - thinness, tenuity
    
3. The property of an attractively thin person
   - slightness, slimness

Derived forms: slendernesses

See also: slender

Type of: deficiency, dimension, inadequacy, insufficiency, leanness, spareness, thinness