Old English mihtig, earlier m?htig, from miht (see might (n.)). Similar formation in Old Frisian mechtig, Old Saxon mahtig, Dutch machtig, German m?chtig. As an adverb, it is attested from c. 1300, though now considered colloquial.
例文
1. I think you 're a bit too high and mighty yourself.
あなた自身があまりにも威張っていると思います。
2.The press mogul befriended the high and mighty in Britain.
この新聞界の大物は英国の高貴な達人たちと親交がある。
3.He gave the donkey a mighty prod in the backside.