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Synonyms

streamline

American  
[streem-lahyn] / ˈstrimˌlaɪn /

noun

  1. a teardrop line of contour offering the least possible resistance to a current of air, water, etc.

  2. the path of a particle that is flowing steadily and without turbulence in a fluid past an object.


verb (used with object)

  • streamlines,
    present (3rd person singular)
  • streamlined,
    past participle,  past
  • streamlining
    present participle
  1. to make streamlined.

  2. to alter in order to make more efficient or simple.

adjective

  1. streamlined.

streamline British  
/ ˈstriːmˌlaɪn /

noun

  1. a contour on a body that offers the minimum resistance to a gas or liquid flowing around it

  2. an imaginary line in a fluid such that the tangent at any point indicates the direction of the velocity of a particle of the fluid at that point

"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

verb

  1. to make streamlined

"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
streamline Scientific  
/ strēmlīn′ /
  1. To construct or reconstruct an object to reduce the amount of drag it undergoes as it moves through a fluid, especially air or water.


streamline Cultural  
  1. The line traced by a liquid or gas as it moves. Streamlines are most commonly used in describing the flow of a liquid or gas around a solid object.


Discover More

A “streamlined” design is one in which objects that move through a gas or liquid are shaped to match these lines, and therefore reduce the energy required to produce that motion.

Other Word Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of streamline

First recorded in 1870–75; stream + line 1

Explanation

When you streamline something, you're simplifying it to make it more efficient or profitable. When you think of streamlining, think of a bunch of streams coming together to form one stream. This word is about taking something complicated with a lot of parts and turning it into a simpler, sleeker thing. When companies streamline, they cut staff and reorganize to make the business run more smoothly and make more money. When an engineer streamlines a car design, he takes out all the unnecessary parts and makes the engine more efficient.

Keep Reading on Vocabulary.com

Vocabulary lists containing streamline

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It then rattled off examples including Chan’s opposition to Wiener’s state law to streamline housing projects.

From Los Angeles Times Aug. 11, 2026

This would streamline decisions, prioritize high-yield partnerships, attract experienced talent and improve access to capital, according to a pitch deck that JPMorgan helped prepare for FIFA, which was reviewed by the Journal.

From The Wall Street Journal Jul. 31, 2026

It also wants to streamline its organizational structure, it said.

From The Wall Street Journal Jul. 29, 2026

The administration framed the move as an effort to streamline the process and reduce the backlog of cases.

From Los Angeles Times Jul. 27, 2026

“They’re amazing creatures—the fastest birds on earth. They’re like shape- shifters, the way they streamline their bodies in the air.”

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs

The value proposition of generative AI is that it streamlines the process of communicating by skipping connective thought processes.

From Salon Jun. 10, 2026

The Danbury store is part of a nationwide downsizing as Ethan Allen streamlines stores and lowers expenses while grappling with weak demand.

From The Wall Street Journal May 22, 2026

Newsom’s office said his proposal “builds on the foundation” of the current successful program and streamlines the state’s demand response strategy.

From Los Angeles Times May 14, 2026

Spirit customers can file a proof of claim for their points, vouchers or flight credits through Epiq, a website that streamlines bankruptcy proceedings for companies — but they shouldn’t count on a payout.

From MarketWatch May 4, 2026

It was a thing of graceful beauty even on the ground, its long curving streamlines giving it wonderful symmetry.

From The Black Star Passes by John Wood Campbell

Indian regulations, despite being more streamlined than in the past, are still onerous for businesses.

From The Wall Street Journal Aug. 15, 2026

“Our strong brand relevance, industry-leading value proposition, streamlined operations, and significant restaurant investments have created a competitive moat that positions Chili’s to deliver sustainable, profitable growth,” he said.

From The Wall Street Journal Aug. 12, 2026

He has been pitching “LIV 2.0” with a streamlined business model.

From Los Angeles Times Aug. 5, 2026

Organisers said the streamlined format, which featured 10 sports across four locations in Glasgow, had "saved and reinvented" the competition after its future was placed in doubt when original hosts Victoria pulled out.

From BBC Aug. 4, 2026

She could certainly raise Zachary herself; the two of them had become a very good and streamlined team, and there seemed no reason to upset the balance of her life.

From "Zeitoun" by Dave Eggers

These layoffs are part of an initiative aimed at streamlining package pickups and deliveries by merging ground and express delivery networks.

From Los Angeles Times Aug. 13, 2026

The introduction of the National Police Service is aimed at streamlining national responsibilities to allow local forces to focus on tackling crime in their communities, the BBC understands.

From BBC Aug. 3, 2026

Hertz has spent the past year streamlining its operations, updating its fleet, and working to improve the financial health of its business.

From Barron's Jun. 24, 2026

“But in order to secure our competitiveness in the long term, the streamlining of the company planned so far will not be enough,” he said.

From The Wall Street Journal Jun. 23, 2026

Government   objectives include streamlining the bureaucracy and further   privatization of state assets.

From The 2007 CIA World Factbook by United States. Central Intelligence Agency

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