<p><strong>Adjective</strong></p><ul><li>existing or occurring with something else, as a related feature or circumstance; accompanying: The Dutch economy was already burdened by the high national debt and concomitant high taxation.</li><li>existing or occurring at the same time; concurrent: Anti-Catholicism peaked from the 1830s through the 1850s, concomitant with the growing debate over slavery.</li></ul><p><strong>Noun</strong></p><ul><li>a concomitant quality, circumstance, or thing.</li></ul>