Collocation Dictionary
Common collocations with idle in American Collocation
be left
lie
remain
sit
stand
There’s even a built-in screensaver if the screen sits idle for too long.
talk
banter
chatter
chit-chat
gossip
talk
There was no time for idle chatter.
wondering if something is true
curiosity
speculation
They had come to look out of idle curiosity.
statement
boast
threat
She talked about taking legal action, and this was no idle threat.