They laugh harder when I explain that the author of the remark means by inanity.
From the guardian.co.uk
On just such a recent occasion, he pondered the inanity of the inquiry at hand.
From the tennessean.com
Truly there is no end to the vapid inanity the HuffPo Religion section will post.
From the scienceblogs.com
To add to this inanity, this process can be attempted only in even-numbered years.
From the economist.com
You're all smart people, you can go laugh at the inanity without a tour guide.
From the scienceblogs.com
The briefest exposure to Barry shows how his inanity has screwed up his life.
From the time.com
Opie's insulting inanity makes Hirst and Emin look like Leonardo and Raphael.
From the guardian.co.uk
We need a new party, someone that does not applaud and reinforce our inanity.
From the economist.com
By quietly putting up with the inanity of it all, Chinese affirm their acquiescence.
From the time.com
More examples
Total lack of meaning or ideas
(inane) asinine: devoid of intelligence
The property of being inane, of lacking material of interest or satisfaction, emptiness; Something that is inane
(inane) Lacking sense or meaning (often implying, "to the point of boredom or annoyance")
"Mental vacuity; lack of ideas or sense; frivolity, senselessness, silliness" (OED). In the present context, any fallacious argument of exceptional weakness, but still a shade short of sheer imbecility. Example: TO FOLLOW.