good heavens!; great God! An emphatic exclamation of surprise, alarm, or disbelief, usually appearing as « grands dieux ! » in contemporary usage.
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good heavens!; great God! An emphatic exclamation of surprise, alarm, or disbelief, usually appearing as « grands dieux ! » in contemporary usage.The exact singular form « grand Dieu ! » is also used as an exclamation. In « jurer ses grands dieux », it means to swear solemnly or invoke one's honor.