almighty

• allmighty, all-mighty

From Middle English almyghty, almighty, from Old English ælmihtiġ (“all-powerful”), from Proto-Germanic *alamahtīgaz, equivalent to al- +‎ might +‎ -y.

• IPA^(key): /ɔːlˈmaɪti/
• Rhymes: -aɪti

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almighty (comparative more almighty, superlative most almighty)

1. (sometimes postpositive) Unlimited in might; omnipotent; all-powerful

   Synonyms: all-powerful, omnipotent

   God almighty

   • The Holy Bible, […] (King James Version), London: […] Robert Barker, […], 1611, →OCLC, Genesis 17:1: “I am the Almightie God.”
2. (slang) Great; extreme; terrible.

   I heard an almighty crash and ran into the kitchen to see what had happened.

   • 2012 May 21, Tom Fordyce, “England v West Indies: Hosts cruise home in Lord's Test”, in BBC Sport‎:

     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.

3. (by extension) Having very great power, influence, etc.

   The almighty press condemned him without trial.

• might
• mighty

almighty (not comparable)

1. (slang, colloquial) Extremely; thoroughly.
   • 2007, Richard Laymon, Savage, page 203:

     I stepped into the clear, rushing water. It was almighty cold!

• “almighty”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “almighty”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
• “almighty”, in OneLook Dictionary Search.