Definition of gather or collect dust in English:

gather (or collect) dust

Remain unused: some professors let their computers gather dust
More example sentences
  • A survey last year revealed many parents put the value of unused and unwanted toys gathering dust in their cupboards at up to £500.
  • Often times, they even have a seemingly obsolete computer that is unused and is gathering dust somewhere.
  • Many families also have unused sports equipment sitting in their garage gathering dust, which we can turn into cash.
See parent entry: dust

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Word of the day setose
Pronunciation: ˈsēˌtōs
adjective
bearing bristles or setae; bristly