He has a record of having done so that is deplorable in the most evil and insidious ways.

Mr. Smith was dangerous in a far more insidious way.

Past administrations have found insidious ways of making such exceptions the rule.

Hope had an insidious way of popping up in the most unexpected places.

I say that they're here already, growing in small, insidious ways.

But history seems to have insidious ways of following him around.

He didn't come that day, or the next, and a host of mocking little phrases found their insidious way into her mind.

The most insidious way is to persuade them that they're victims.

He could strike back at the Baron and his followers in a more insidious way.

The past crept in on people in the most insidious ways.