Definition of "one of these days" []

• One day, some day (especially in warning of a negative consequence). (adverb)

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• "Nana said that one of these days he would miss, that she, Mariam, would slip through his fingers, hit the ground, and break a bone."
• "But one of these days there will be a School for New Mothers that will elevate the profession to an academic level."
• "Another ring at the bell; it was Gowing, who said he "must apologise for coming so often, and that one of these days we must come round to HIM.""