idle

nouns

the state of an engine or other mechanism that is idling
"the car engine was running at idle"
idle
is a type of (narrower)
the state of being in effect or being operative
"that rule is no longer in operation"
operation

verbs

run disconnected or idle
"the engine is idling"
idle, tick over
antonym
run
be idle; exist in a changeless situation
"The old man sat and stagnated on his porch"; "He slugged in bed all morning"
idle, laze, slug, stagnate
is derived from
idler
is derived from
idling
antonym
work

adjectives

not in action or at work
"an idle laborer"; "idle drifters"; "the idle rich"; "an idle mind"
idle
is derived from
idleness
antonym
busy
is similar to
constitutionally lazy or idle
bone-idle, bone-lazy
is similar to
disinclined to work or exertion
"faineant kings under whose rule the country languished"; "an indolent hanger-on"; "too lazy to wash the dishes"; "shiftless idle youth"; "slothful employees"; "the unemployed are not necessarily work-shy"
faineant, indolent, lazy, otiose, slothful, work-shy
is similar to
idle or indolent especially in a dreamy way
"she was annoyingly lackadaisical and impractical"; "a...lackadaisical, spiritless young man-about-town"- P.G.Wodehouse
lackadaisical
is similar to
free from duties or responsibilities
"he writes in his leisure hours"; "life as it ought to be for the leisure classes"- J.J.Chapman; "even the artist and the sculptor were not regarded...as leisured men"- Ida Craven
leisured
is similar to
not busy or occupied; free
"the cancellation left her unengaged a good part of the afternoon"
unengaged
see also
not producing an intended effect
"an ineffective teacher"; "ineffective legislation"
ineffective, ineffectual, uneffective
see also
not engaged in a gainful occupation
"unemployed workers marched on the capital"
unemployed
without a basis in reason or fact
"baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy"
baseless, groundless, idle, unfounded, unwarranted, wild
is derived from
idleness
not in active use
"the machinery sat idle during the strike"; "idle hands"
idle, unused
is derived from
idleness
silly or trivial
"idle pleasure"; "light banter"; "light idle chatter"
idle, light
lacking a sense of restraint or responsibility
"idle talk"; "a loose tongue"
idle, loose
not yielding a return
"dead capital"; "idle funds"
dead, idle
not having a job
"idle carpenters"; "jobless transients"; "many people in the area were out of work"
idle, jobless, out of work
is derived from
idleness