will have been sneaking

• future perfect progressive

  future perfect progressive

  Used to describe a continuous action that will progress up until a designated point of completion in the future.

  of sneak.
  sneak

  verb (used without object)

  to go in a stealthy or furtive manner; slink; skulk.

Related Words

• ambush
• crawl
• creep
• evade
• hide
• slink
• slip
• slither
• smuggle
• steal