have been clumping

• 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 clump.
  clump

  noun

  a small, close group or cluster, especially of trees or other plants.

Related Words

• blob
• bundle
• chunk
• cluster
• hunk
• jumble
• knot
• lump
• wad