Definition of "mightiness" [might•i•ness]

• The property of being mighty. (noun)

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• "A visit to the keyword mightiness even be more welcome!"
• "Duc de Navarreins and Polydore Milaud de la Baudraye, and attained a kind of mightiness that Annette seemed to fear would be disastrous to"
• "The port lifeboat was missing, its iron davits, twisted and wrenched, testifying to the mightiness of the blow that had been struck the old"