has been unsealing

• 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 unseal (3rd person singular).
  unseal

  verb (used with object)

  to break or remove the seal of; open, as something sealed or firmly closed.

More Suggestions

• self-sealing
• double-dealing
• self-dealing
• self-healing
• self-revealing