(GOD) [adjective] [not gradable] - (of God) having the power to do everythingI swear by Almighty God that the evidence which I shall give shall be the truth, the whole truth, and nothing but the truth.(taboo) God almighty! and Christ almighty! are expressions of anger or surprise.
ALMIGHTY
Meaning of ALMIGHTY in English
Cambridge English vocab. Кембриджский английский словарь. 2012