Definition of "idle"

The majority of accounts require no minimum balance and charge no monthly service fee. Where monthly fees and balance requirements exist, they're low. You earn no interest on the idle money in the account.

2009, Jane Bryant Quinn, Making the Most of Your Money Now

Molly the dairymaid came a little way from the rickyard, and said she would pluck the pigeon that very night after work. She was always ready to do anything for us boys; and we could never quite make out why they scolded her so for an idle hussy indoors. It seemed so unjust. Looking back, I recollect she had very beautiful brown eyes.

1879, R[ichard] J[efferies], chapter 1, in The Amateur Poacher, London: Smith, Elder, & Co., […]

“I don't mean all of your friends—only a small proportion—which, however, connects your circle with that deadly, idle, brainless bunch—the insolent chatterers at the opera, the gorged dowagers, the worn-out, passionless men, the enervated matrons of the summer capital, […]!”

1907 August, Robert W[illiam] Chambers, chapter VI, in The Younger Set, New York, N.Y.: D. Appleton & Company

The youth is idle

1628, John Ford, The Lover's Melancholy

He had already heard of the young man's projected journey — evidently the Comte de Combourg had written many letters while his son idled at St. Malo […]

1939, Joan Evans, Chateaubriand, page 32

High levels of all pollutants were found during time idling in stations.

2021 October 6, Paul Clifton, “Network News: RSSB research exposes poor air quality on diesel trains”, in RAIL, number 941, page 14