IDLE

[adjective] -r, -st - (of people) unwilling to work or be involved in any activity, or (esp. of machines or people) doing nothing, not working or operatingHalf these factories are lying/standing idle.Thousands of workers in the town are idle (= have no job) now that the car factories have closed.It's crazy to have £7000 in the bank sitting idle (= not being used).He's a stupid, idle, good-for-nothing boy!Idle can also mean without any particular purpose.an idle glancea question asked out of idle curiosityIdle also means not useful or not based on fact.The government has denounced the rumours as "idle and pointless speculation".It is idle to expect a fair trial in this country (= You should not expect one because it would be very unlikely).It is an idle (= not real) threat/promise.