idle adj
1 unemployed or unoccupied; inactive
2 not operating or being used
3 (of money) not being used to earn interest or dividends
4 not wanting to work; lazy
5 frivolous or trivial
idle pleasures
6 ineffective or powerless; fruitless; vain
7 without basis; unfounded vb
8 to waste or pass (time) fruitlessly or inactively
he idled the hours away
9 to loiter or move aimlessly
10 (of a shaft, etc.) to turn without doing useful work
11 (Also (Brit.))
tick over (of an engine) to run at low speed with the transmission disengaged
12 (U.S. and Canadian) to cause to be inactive or unemployed
(Old English idel; compare Old High German ital empty, vain)
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idleness n
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idly adv