the mother of all

idiom

used to say that something is larger, better, worse, etc., than all other things of the same kind
It has been described as the mother of all construction projects.

Examples of the mother of all in a Sentence

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For true workhorse status, Gunderman has relied on her Hydro Flask (arguably the mother of all reusable water bottles) for a whopping nine years, toting it to countless gyms and volleyball sessions. Sara Coughlin, SELF, 26 June 2025 For the Ancient Greek philosopher, the mother of all virtues was phronesis, or practical wisdom. Sigal Samuel, Vox, 2 June 2025 As such, States and experts have been looking into other options to ensure that the mother of all crimes in Ukraine - the crime of aggression - does not escape accountability. Dr. Ewelina U. Ochab, Forbes.com, 26 June 2025 And the mother of all annuities – Social Security – needs preserving by increasing revenues into the system. Teresa Ghilarducci, Forbes.com, 9 June 2025 See All Example Sentences for the mother of all

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“The mother of all.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20mother%20of%20all. Accessed 21 Jul. 2025.

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