<p><strong>Noun</strong></p><ul><li>a road enabling motorists to avoid a city or other heavy traffic points or to drive around an obstruction.</li><li>a secondary pipe or other channel connected with a main passage, as for conducting a liquid or gas around a fixture, pipe, or appliance.</li><li>a surgical procedure in which a diseased or obstructed hollow organ is temporarily or permanently circumvented.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object), bypassed or (Rare) bypast; bypassing:<ul><li>to avoid (an obstruction, city, etc.) by following a bypass.</li><li>to cause (fluid or gas) to follow a secondary pipe or bypass.</li><li>to neglect to consult or to ignore the opinion or decision of: He bypassed the foreman and took his grievance straight to the owner.</li></ul></li></ul>