Sentence:  He had pass'd two or three Acts of Parliament, which had much lessen'd the Authority and Dependence of the Nobility, and great Men, and incens'd, and dispos'd them proportionably to cross, and oppose any Proposition, which would be most grateful; and that <WSD>overthwart</WSD> humour was enough discover'd to rule in the breasts of many, who made the greatest professions. 
Meaning of the word marked with <WSD> tags:  Crossing in kind or disposition.