use insidious in a sentence.
An insidious evil, thought defeated, but quietly gathering strength.
And he's talking about the insidious behavior of Apple.
I've always found Google's business model vaguely insidious, like they're using my data against me.
Of course, history has shown that Stallman was correct about the insidious effect of software patents.
Hypochondria is pretty insidious.
This comment is a fantastic example of what is probably the most insidious form of trolling.
Now that RMS has won that one, he's moved on to warn us of the insidious evils of...
Wow, "insidious" is right.
Install Ghostery and watch as it blocks all 24 of those insidious little things.
Wouldn't you think that if people hide simple emotions like anger or irritation, that they would hide something far more insidious and serious?
This is entertainingly insidious.
I've been suspecting that his recent blog post "The value of downvoting" to be an insidious attempt at getting more PR for his site, stackoverflow by dissing HN.
Whenever I see an obviously insane proposal go forth, I start looking for the more subtle and insidious one which is the true objective.
Another insidious angle is multiple publications based on the same data, which create the appearance that there is more evidence than there really is.