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Webster 1828 Edition

ppr.

Encumbering with things in confusion.

cluttering ‎(countable and uncountable, plural clutterings)

The act of making, or condition of being, cluttered.
- 1992, John A. Crow, The Epic of Latin America
  The clutterings of French-inspired modernism gave way to the single-purpose intensity of a new indigenous outlook on life.
A speech disorder characterized by fast, jerky, or irregular speech, which often sounds like stuttering.
An instance of cluttered speech.

cluttering