bypass

1 of 2

noun

by·​pass ˈbī-ˌpas 

1

: a passage to one side

especially : a deflected route usually around a town

2

a

: a channel carrying a fluid around a part and back to the main stream

b(1)

: shunt sense 1b

(2)

: shunt sense 1c

also : a surgical procedure for the establishment of a shunt

have a coronary bypass

bypass

2 of 2

verb

bypassed; bypassing; bypasses

transitive verb

1

a

: to avoid by means of a bypass

bypass a congested area

b

: to cause to follow a bypass

2

a

: to neglect or ignore usually intentionally

b

: circumvent

attempting to bypass the law

Synonyms of bypass

Verb

• circumvent
• avoid

Examples of bypass in a Sentence

Noun

The bridge is being rebuilt so we'll have to take the bypass.

Verb

To bypass the city, take the highway that circles it.

Is there a way to bypass the bridge construction?

He bypassed the manager and talked directly to the owner.

She managed to bypass the usual paperwork.

Recent Examples on the Web

Noun

Haverhill installed a second bypass line to help better control the flow of sewage after two breaks and a massive sewage overflow for five days last week, helping secure the system as more rains threatened the temporary bypass Tuesday. — Grace Zokovitch, Boston Herald, 7 July 2026

Scott underwent heart surgery in 2025 Scott, who previously had cancer, underwent quintuple bypass surgery in June 2025, PEOPLE confirmed a month later in July. — Sophie Dodd, PEOPLE, 6 July 2026

Verb

Fans harbor growing concerns given his extensive injury history and his decision to opt into his contract, potentially to bypass further medical evaluations. — Peter Chawaga, Forbes.com, 4 July 2026

This was easily bypassed by a good possession side, with the space in the middle third being far too big — allowing Colombia to switch play easily. — Mark Carey, New York Times, 2 July 2026

Word History

First Known Use

Noun

1848, in the meaning defined at sense 1

Verb

1736, in the meaning defined at sense 1a

Phrases Containing bypass

• coronary artery bypass
• coronary artery bypass graft
• coronary artery bypass grafting
• coronary bypass
• coronary bypass graft
• coronary bypass grafting
• gastric bypass

Rhymes for bypass

• alas
• amass
• bromegrass
• crabgrass
• crevasse
• eelgrass
• eyeglass
• groundmass
• harass
• impasse
• jackass
• landmass

Kids Definition

bypass

1 of 2 noun

by·​pass ˈbī-ˌpas 

: a passage to one side or around a blocked or very crowded area

bypass

2 of 2 verb

: to make a detour around

bypass a city

Medical Definition

bypass

noun

by·​pass ˈbī-ˌpas 

: a surgically established shunt

cardiopulmonary bypass of blood from the right atrium to the aorta

also : a surgical procedure for the establishment of a shunt

Note: When a bypass is performed on more than one coronary artery or branch, the number of times (double, triple, etc.) is often specified.

I was immediately scheduled for a triple bypass, but they decided to try an angioplasty.

—Terry Todd, Sports Illustrated

see coronary artery bypass, gastric bypass, jejunoileal bypass

bypass transitive verb