<p><strong>Verb</strong></p><ul><li>(used with object)<ul><li>percolated, percolating.</li><li>to cause (a liquid) to pass through a porous body; filter.</li><li>(of a liquid) to filter through; permeate.</li><li>to brew (coffee) in a percolator.</li></ul></li><li>(used without object)<ul><li>percolated, percolating.</li><li>to pass through a porous substance; filter; ooze; seep; trickle.</li><li>to become percolated: The coffee is starting to percolate.</li><li>to become active, lively, or spirited.</li><li>to show activity, movement, or life; grow or spread gradually; germinate: Interest in the idea has begun to percolate.</li></ul></li></ul><p><strong>Noun</strong></p><ul><li>a percolated liquid.</li></ul>