What are the antonyms for Skimper?

• adj.

  • meager
  • adequate
  ,
  • ample
  ,
  • big
  ,
  • enough
  ,
  • fat
  ,
  • full
  ,
  • generous
  ,
  • large
  ,
  • liberal
  ,
  • plentiful
  ,
  • plenty
  ,
  • rich
  ,
  • significant
  ,
  • substantial
  ,
  • sufficient
  ,
  • wealthy
  ,
  • wide
  .
  • scant
  • important
  ,
  • thick
  .

Well up on is typically used to describe someone who possesses a great amount of knowledge or expertise on a particular subject. However, there are several antonyms for this phrase...