has been dirtying

• 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 dirty (3rd person singular).
  dirty

  adjective

  soiled with dirt; foul; unclean.

Related Words

• contaminated
• crummy
• disheveled
• dusty
• filthy
• greasy
• grimy
• messy
• muddy
• murky
• nasty
• polluted
• sloppy
• stained
• unkempt