has been mothballing

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of mothball (3rd person singular).
  mothball

  noun

  a small ball of naphthalene or sometimes of camphor for placing in closets or other storage areas to repel moths from clothing, blankets, etc.

Related Words

• conserve
• defend
• freeze
• keep
• perpetuate
• protect
• retain
• safeguard
• save
• secure
• store
• sustain
• uphold