Synonyms for Almighty (same or very similar meaning)
WordNet sense 1 (terms referring to the Judeo-Christian God):
creator, divine, godhead, lord, maker, God Almighty
WordNet sense 2 (having unlimited power):
omnipotent, all-powerful
WordNet sense 3 (having great power or force or potency or effect):
powerful
From the ODE community, based on WordNet
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