Overmighty

Contrariwise, if he leaned to Antiochus, as he must be partaker in his overthrow, so was he sure to be oppressed by him, as by an overmighty neighbour, if he happened to win the victor.

Source: wiktionary

“In addition to our manifest and indisputable right to the soil of the Oregon Territory — a right derived at once from discovery, from exploration, from occupation, and from solemn treaty stipulations— in addition to all this overmighty hold upon the region, in the resistless affinity lo us and to our institutions of the population which 13 growing tip within its limits. There ore rumors in the public journals that a temporary and provisional government has already been e; tablishicd by the [dwellers on the Oregon. Such a government can he merely temporary ’and provisional. The offspring of necessity, it will, we are assured, gladly give place to the protection of the federal constitution. The men who have made that government will he prompt to remember their right to the name of American citizens. As American citizens, they went to Oregon — ns such, they have lived there, on American soil — as such, they are now under the protecting eye of this nation — and as such, ere long, they are to come into our confederation.”

Source: wiktionary

In-one-word declaring surely these things, that overmighty Tyrants only, and lawless intruders/And worse than these are we, who the beasts/Affrighting thus utterly (Or, from-the-foundation) chine them/In their own lawful abodes.

Source: wiktionary

The Franks also, overmighty by their victories over so many barbarous tribes — by what a great expedition were they harassed! Attacked, they dreaded a contest with the our soldiers; they who had leaped unawares upon so many nations and forced them into battle. But though that haughty race declined the offered conflict, they could not prevent the death of their own King.

Source: wiktionary