Efficient, serviceable, or operative, available for useful work.
approximate; Not describing the fundamental dynamic changes in some system as they happen.
Having no negative coefficients.
Producing a decided or decisive effect.
Having the power to produce a required effect or effects.
Actually in effect.
a soldier fit for duty
Averse to work, labor or employment; lazy; slothful.
Not engaged in any occupation or employment; unemployed; inactive; doing nothing in particular.
Not being used appropriately; not occupied; (of time) with no, no important, or not much activity.
Of no importance; useless; worthless; vain; trifling; thoughtless; silly.
To spend in idleness; to waste; to consume.
Of an engine: to run at a slow speed, or out of gear; to tick over.
To lose or spend time doing nothing, or without being employed in business.
An idle game.
The lowest selectable thrust or power setting of an engine.
The state of idling, of being idle.
An idle animation.