adverb (r)

• in a slim or slender manner(adv.all)

  Example:
  A slenderly built woman.
  

  Synonym:
  slightly, slimly
  

  source: wordnet30
• to a meager degree or in a meager manner(adv.all)

  Example:
  The area is slenderly endowed with natural resources.
  

  Synonym:
  meagerly, meagrely, sparingly
  Antonym:
  amply, richly
  

  source: wordnet30