Webster's Revised Unabridged Dictionary · 1913

Almighty

Almighty (al*mīt"y) , adjective

[Anglo-Saxon ealmihtig, almihtig; eal (Old English al) all + mihtig mighty.]

1.
Unlimited in might; omnipotent; all-powerful; irresistible.
I am the Almighty God. — Gen. xvii. 1
2.
Great; extreme; terrible. [Slang]
Poor Aroar can not live, and can not die, -- so that he is in an almighty fix. — De Quincey
Collocations (1)
The Almighty , the omnipotent God. — Rev. i. 8