The unhappy state of his own affairs was the one idea which occupied the brain of Nicholas, walk as fast as he would; and when he tried to dislodge it by speculating on the situation and prospects of the people who surrounded him, he caught himself, in a few seconds, contrasting their condition with his own, and gliding almost imperceptibly back into his old train of thought again.
There are no more uses of "dislodge" in the book.
Show samples from other sources
The initial effort failed to dislodge the Taliban.
The new employee dislodged her by moving into her office space