It was a disconcerting thought, a dangerous thought.

There was a disconcerting thought: that the physical magnetism hadn't faded in all this time.

It was a disconcerting thought, but it held him nonetheless.

It was a disconcerting thought, an association with the violence he loathed.

That in itself was a disconcerting thought.

She'd been hoping she was the only one to have that disconcerting thought.

I suddenly had a disconcerting thought accompanied by a chill, which I at first took to be the overhead air vent blowing directly upon me.

"It's a most disconcerting thought, is it not?"

A disconcerting, even shameful thought had taken possession.

Which leads to the disconcerting thought that there may have been a time when there were no cities at all.