"idlest" in the adjective sense
1. idle
not in action or at work
"an idle laborer"
"idle drifters"
"the idle rich"
"an idle mind"
2. baseless, groundless, idle, unfounded, unwarranted, wild
without a basis in reason or fact
"baseless gossip"
"the allegations proved groundless"
"idle fears"
"unfounded suspicions"
"unwarranted jealousy"
3. idle, unused
not in active use
"the machinery sat idle during the strike"
"idle hands"
4. idle, light
silly or trivial
"idle pleasure"
"light banter"
"light idle chatter"
5. idle, loose
lacking a sense of restraint or responsibility
"idle talk"
"a loose tongue"
6. dead, idle
not yielding a return
"dead capital"
"idle funds"
7. idle, jobless, out of work
not having a job
"idle carpenters"
"jobless transients"
"many people in the area were out of work"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
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