Meanings of so insidious in English

He saw so much of the thing-andits influence was so insidious.

A preference shown by one accustomed to exact preference is so insidious.

Its approaches are so insidious, its expedients so full of guile.

No influence so insidious as this, and none so fatal, has ever assailed the Christian church.

This must have been so insidious that it hasn't been visible to the plain people of Ireland.

The yearly cycle was so gradual, so insidious, it seemed like that was just the way life was.

There is no enemy of free government more dangerous and none so insidious as the corruption of the electorate.

And that's the result of attitudes and behaviours so insidious and ingrained in our culture, they're hard to identify, let alone change.

There are many other causes of worry, some of them so insidious, so powerful, as to call for treatment in special chapters.

Ropes are dirty, and rope handling will coat your hands with a gloss so insidious as to potentially spoil a redpoint attempt.

For then, so insidious was the music, and not quite of this earth the voice, my senses altogether forsook me, and I fell asleep.

Secondary abscesses in the lymph glands, subcutaneous tissue, or joints are often so insidious and painless in their development that they are only discovered accidentally.

"That is what makes it so insidious," Julia said.

'No storm is so insidious' (said St. Ignatius) 'as a perfect calm, and no enemy so dangerous as the absence of all enemies.'