will be massing

• future progressive

  future progressive

  Used to describe an ongoing action or continuous state that will be taking place in the future.

  of mass.
  mass

  noun

  a body of coherent matter, usually of indefinite shape and often of considerable size.

Related Words

• crowd
• group
• horde
• lot
• lump
• majority
• mob
• number
• piece
• pile
• throng