regnant /ˈɹɛɡnənt/adjective 3noun 1forms 1 adjective3 •Reigning, ruling; currently holding power. •[after a noun] of a monarch, ruling in one's own right; often contrasted with consort and dowagerQueen Elizabeth II reigned as queen regnant, unlike her mother Queen Elizabeth The Queen Mother. •Dominant; holding sway; having particular power or influence.The doors of his temples were kept open in time of war, the time in which the ideas of contradiction and conflict are most naturally regnant. — 2010 noun1 •(no longer used) A sovereign or ruler. formsregnants