will have been narrowing

• 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 narrow.
  narrow

  adjective

  of little breadth or width; not broad or wide; not as wide as usual or expected.

Related Words

• cramped
• definite
• limited
• precarious
• precise
• slender
• slim
• small
• thin
• tight