has been upholding

• 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 uphold (3rd person singular).
  uphold

  verb (used with object)

  to support or defend, as against opposition or criticism.

Related Words

• advocate
• confirm
• defend
• encourage
• endorse
• hold to
• justify
• promote
• side with
• stand by
• vindicate