adjective, i·dler, i·dlest.
verb (used without object), i·dled, i·dling.
verb (used with object), i·dled, i·dling.
Origin of idle
One of the senses of the verb idle, “to spend one’s time doing nothing,” dates from the 17th century and is first recorded in Samuel Pepys’ Diary.
The mechanical sense, used of a motor or engine disengaged from its load and operating at a low speed, dates from the 20th century.
Examples from the Web for idle
And in the summer, when the lift is idle, it feeds juice into the local community.
Any upcoming release of a new Apple product guarantees a deafening cacophony of idle speculation from tech sites.Amateur Stuntmen, the iPhone 6, and More Viral Videos|Jack Holmes|August 30, 2014|DAILY BEAST
The idle rich had driven down from Biarritz with their uniformed chauffeurs.
Sviatohirsk is an idle forest resort, usually popular with families and the elderly.Ukraine Families Flee Into the Forest to Escape Brutal Fighting in Sloviansk|Yusuf Sayman|June 10, 2014|DAILY BEAST
This was not idle speculation; Bowe Bergdahl was believed to be held by the militants of the Haqqani Network.
The lower class were idle and lazy, and willing to serve any sovereign who appealed to them by ostentation.Napoleon's Marshals|R. P. Dunn-Pattison
I paused involuntarily, not from any idle curiosity, but because I could not listen to such a touching appeal unmoved.Pride|Eugne Sue
Keep not company with dissolute, lying, or idle women; otherwise they will infallibly infect thee by their example.The Historical Child|Oscar Chrisman
As it was, she waited impatiently, tapping the corner of the desk with her idle pencil.Baby Mine|Margaret Mayo
It is really providential that this portrait should be in your hands, for the others were idle, foolish dreams.Black Diamonds|Mr Jkai