Etymology From Middle English almyghty, almighty, from Old English ælmihtiġ (“all-powerful”), from Proto-Germanic *alamahtīgaz, equivalent to al- + might + -y.
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Postpositional, Sometimes Unlimited in might; omnipotent; all-powerful
God almighty
The Holy Bible, […] (King James Version), London: […] Robert Barker, […], 1611, →OCLC, Genesis 17:1: “I am the Almightie God.”
I heard an almighty crash and ran into the kitchen to see what had happened.
When Jonathan Trott and Kevin Pietersen both went cheaply inside the first hour on the fifth day, a further 134 were needed and there was a genuine sense that an almighty upset might just come off.2012 May 21, Tom Fordyce, “England v West Indies: Hosts cruise home in Lord's Test”, in BBC Sport:
Etymology From Middle English almyghty, almighty, from Old English ælmihtiġ (“all-powerful”), from Proto-Germanic *alamahtīgaz, equivalent to al- + might + -y.
Now that must have been almighty careless of someone, Wynn.1923, Ernest Bramah [pseudonym; Ernest Brammah Smith], “(please specify the page)”, in The Eyes of Max Carrados, London: Grant Richards, →OCLC:
I stepped into the clear, rushing water. It was almighty cold!2007, Richard Laymon, Savage, page 203: