a road enabling motorists to avoid a city or other heavy traffic points or to drive around an obstruction.
a secondary pipe or other channel connected with a main passage, as for conducting a liquid or gas around a fixture, pipe, or appliance.
Electricity, shunt (def 9).
a surgical procedure in which a diseased or obstructed hollow organ is temporarily or permanently circumvented.
Compare coronary bypass, gastric bypass, heart-lung machine, intestinal bypass.
to avoid (an obstruction, city, etc.) by following a bypass.
to cause (fluid or gas) to follow a secondary pipe or bypass.
to neglect to consult or to ignore the opinion or decision of:
He bypassed the foreman and took his grievance straight to the owner.
a main road built to avoid a city or other congested area
any system of pipes or conduits for redirecting the flow of a liquid
a means of redirecting the flow of a substance around an appliance through which it would otherwise pass

the redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgery See coronary bypass
(as modifier): bypass surgery


an electrical circuit, esp one containing a capacitor, connected in parallel around one or more components, providing an alternative path for certain frequencies
(as modifier): a bypass capacitor

verb (transitive) -passes, -passing, -passed, -past
to go around or avoid (a city, obstruction, problem, etc)
to cause (traffic, fluid, etc) to go through a bypass
to proceed without reference to (regulations, a superior, etc); get round; avoid


A passage created surgically to divert the flow of blood or other bodily fluid or to circumvent an obstructed or diseased organ.


Read Also:

  • By-path

    a private path or an indirect or secondary course or means; byway. Historical Examples The Young Bridge-Tender Arthur M. Winfield A Black Adonis Linn Boyd Porter The Half-Hearted John Buchan The Jessica Letters: An Editor’s Romance Paul Elmer More Harper’s New Monthly Magazine, Volume 1, No. 4, September, 1850 Various Ten Years Later Alexandre Dumas, […]

  • By-play

    an action or speech carried on to the side while the main action proceeds, especially on the stage. Historical Examples Meg of Mystery Mountain Grace May North The Sign of the Spider Bertram Mitford Wang the Ninth Putnam Weale A Waif of the Mountains Edward S. Ellis A Woman’s Burden Fergus Hume Up the Forked […]

  • By-plot


  • By-product

    a secondary or incidental product, as in a process of manufacture. the result of another action, often unforeseen or unintended. Contemporary Examples The Internet Shouldn’t Own You Eric Klinker October 9, 2013 The Hidden Link Between Women and War Leith Greenslade December 2, 2014 Fact-Checking Suzanne Somers’s Claim That Obamacare is a Socialist Ponzi Scheme […]

Disclaimer: By-passers definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.