What are the antonyms for Frivolled?

• v.

  • fritter
  • hoard
  ,
  • hold
  ,
  • save
  ,
  • store
  .
  • squander
  • accumulate
  ,
  • collect
  ,
  • gather
  ,
  • set aside
  .

One antonym for the term "focus groups" is "individual interviews." While focus groups involve a group of people discussing a particular topic, individual interviews involve a one-...