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The Collaborative International Dictionary
Cunctipotent

Cunctipotent \Cunc*tip"o*tent\ (k?nk-t?p"?-tent), a. [L. cunctipotens; cunctus all + potens powerful.] All-powerful; omnipotent. [R] ``God cunctipotent.''
--Neale (Trans. Rhythm of St. Bernard).

Wiktionary
cunctipotent

a. (context obsolete English) almighty; all-powerful