hoarding
n. uncountablen. the habit of collecting and keeping too many things, even if they are not useful or valuable. It often makes a person's living space very messy and difficult to use.
n. the excessive acquisition of and inability to discard large quantities of objects, regardless of their actual value. Often associated with psychological distress or a compulsive need to save items.
His hoarding became a problem when he could no longer use his kitchen.
The social worker noted that the client's hoarding had created significant safety hazards throughout the apartment.
Psychologists distinguish between simple clutter and clinical hoarding by assessing whether the accumulation of possessions prevents the functional use of living areas or causes significant personal impairment.
From hoard (“structure”) + -ing.
From hoard + -ing.
Commonly functions as a gerund noun derived from the verb 'hoard'.