<p><strong>Noun</strong></p><ul><li>Also called organized ferment.</li><li>any of a group of living organisms, as yeasts, molds, and certain bacteria, that cause fermentation.</li><li>Also called unorganized ferment.</li><li>an enzyme.</li><li>fermentation.</li><li>agitation; unrest; excitement; commotion; tumult:<ul><li>The new painters worked in a creative ferment.</li><li>The capital lived in a political ferment.</li></ul></li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to act upon as a ferment.</li><li>to cause to undergo fermentation.</li><li>to inflame; foment:<ul><li>to ferment prejudiced crowds to riot.</li></ul></li><li>to cause agitation or excitement in:<ul><li>Reading fermented his active imagination.</li></ul></li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to be fermented; undergo fermentation.</li><li>to seethe with agitation or excitement.</li></ul>