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.
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.
- bypasser, by-passer, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use bypass in a sentence
Last year, after bypass surgery at the age of 40, I came to this pond in a wetsuit on the front edge of April.Open-Water Swimming and Other Acts of Civil Disobedience | jversteegh | August 25, 2021 | Outside Online
Four groins will be placed south of Wisconsin Street to test their effectiveness, along with a sand bypass system to transport pumped sand to beaches via a network of underground pipelines.North County Report: Oceanside Moves Ahead on Groins Without Mayor’s Support | Kayla Jimenez | August 18, 2021 | Voice of San Diego
Oceanside city leaders voted to test beach groins and a sand bypass system in an effort to save the city’s beaches at a recent Council meeting.North County Report: Oceanside Moves Ahead on Groins Without Mayor’s Support | Kayla Jimenez | August 18, 2021 | Voice of San Diego
My father had a heart attack in his late 50s and, later, bypass surgery.Food was my life — until a heart attack at 41 almost killed me | Rob Petrone | March 3, 2021 | Washington Post
The most energy-efficient of these is the bypass humidifier, which extracts the existing moisture from the house’s ductwork and collects it in a tray, where it is evaporated and redistributed.The best humidifier: Fight dry air (and a dry nose) all winter long | PopSci Commerce Team | January 15, 2021 | Popular-Science
It has allowed the project to bypass normal due diligence and environmental impact assessments.China’s Nicaragua Canal Could Spark a New Central America Revolution | Nina Lakhani | November 30, 2014 | THE DAILY BEAST
In 2005, DOC paid $37,244 for one coronary bypass surgery and $32,897 for one kidney transplant surgery.Yes, Chelsea Manning Should Get Hormone Replacement Therapy on Our Dime | Brandy Zadrozny | May 15, 2014 | THE DAILY BEAST
Problems so big it only makes common sense for Bieber to bypass any plea offer and move forward with a trial.
With that audience in mind, I hope to hear how the President will bypass Washington gridlock and get some things done.
First, Obama offered that there is “no short-cut to democracy” and that he could not utilize executive orders to bypass Congress.
If the bypass is pulled wide open, the motors beyond do not turn; for the oil fails to reach them.The Great Airship. | F. S. Brereton
At will we pass it into our distant motors, allowing some to escape back in this direction through a bypass.The Great Airship. | F. S. Brereton
Dark slowed and entered the cloverleaf that took him onto the bypass expressway.Rebels of the Red Planet | Charles Louis Fontenay
For you tithe mint and rue and every herb, but you bypass justice and the love of God.
Driving the loose horses at full run, the women and children raced toward that bypass.The Story of Geronimo | James Arthur Kjelgaard
British Dictionary definitions for bypass
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
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for bypass
A passage created surgically to divert the flow of blood or other bodily fluid or to circumvent an obstructed or diseased organ.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.