Abstracted in example sentence
When engaged in traffic, the intelligence of his face appeared lively, active, and flexible, though uncommonly acute; if the conversation turned on the ordinary transactions of life, his air became abstracted and restless; but if, by chance, the Revolution and the country were the topic, his whole system seemed altered - all his faculties were concentrated: he would listen for a great length of time, without speaking, and then would break silence by some light and jocular remark, that was too much at variance with his former manner, not to be affectation.